{"id":8104,"date":"2024-01-10T11:54:13","date_gmt":"2024-01-10T03:54:13","guid":{"rendered":"http:\/\/www.aiersheng.cc\/?p=8104"},"modified":"2024-07-31T11:39:49","modified_gmt":"2024-07-31T03:39:49","slug":"css%e5%b1%9e%e6%80%a7%ef%bc%9a%e8%83%8c%e6%99%af%e5%b1%9e%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.aiersheng.cc\/?p=8104","title":{"rendered":"CSS\u5c5e\u6027\uff1a\u80cc\u666f\u5c5e\u6027"},"content":{"rendered":"

background \u7684\u5e38\u89c1\u80cc\u666f\u5c5e\u6027
\ncss2.1 \u4e2d\uff0c\u5e38\u89c1\u7684\u80cc\u666f\u5c5e\u6027\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a\uff08\u7ecf\u5e38\u7528\u5230\uff0c\u8981\u8bb0\u4f4f\uff09<\/p>\n

background-color:#ff99ff; \u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\u3002
\nbackground-image:url(images\/2.gif); \u5c06\u56fe\u50cf\u8bbe\u7f6e\u4e3a\u80cc\u666f\u3002
\nbackground-repeat: no-repeat; \u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u662f\u5426\u91cd\u590d\u53ca\u5982\u4f55\u91cd\u590d\uff0c\u9ed8\u8ba4\u5e73\u94fa\u6ee1\u3002\uff08\u91cd\u8981\uff09
\nno-repeat\u4e0d\u8981\u5e73\u94fa\uff1b
\nrepeat-x\u6a2a\u5411\u5e73\u94fa\uff1b
\nrepeat-y\u7eb5\u5411\u5e73\u94fa\u3002
\nbackground-position:center top; \u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u5728\u5f53\u524d\u5bb9\u5668\u4e2d\u7684\u4f4d\u7f6e\u3002
\nbackground-attachment:scroll; \u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u662f\u5426\u8ddf\u7740\u6eda\u52a8\u6761\u4e00\u8d77\u79fb\u52a8\u3002\u5c5e\u6027\u503c\u53ef\u4ee5\u662f\uff1a scroll\uff08\u4e0efixed\u5c5e\u6027\u76f8\u53cd\uff0c\u9ed8\u8ba4\u5c5e\u6027\uff09\u3001fixed\uff08\u80cc\u666f\u5c31\u4f1a\u88ab\u56fa\u5b9a\u4f4f\uff0c\u4e0d\u4f1a\u88ab\u6eda\u52a8\u6761\u6eda\u8d70\uff09\u3002
\n\u53e6\u5916\u8fd8\u6709\u4e00\u4e2a\u7efc\u5408\u5c5e\u6027\u53eb\u505abackground\uff0c\u5b83\u7684\u4f5c\u7528\u662f\uff1a\u5c06\u4e0a\u9762\u7684\u591a\u4e2a\u5c5e\u6027\u5199\u5728\u4e00\u4e2a\u58f0\u660e\u4e2d\u3002
\nCSS3 \u4e2d\uff0c\u65b0\u589e\u4e86\u4e00\u4e9bbackground\u5c5e\u6027\uff1a<\/p>\n

background-origin
\nbackground-clip \u80cc\u666f\u88c1\u5207
\nbackground-size \u8c03\u6574\u5c3a\u5bf8
\n\u591a\u91cd\u80cc\u666f
\n\u4e0a\u9762\u8fd9\u51e0\u4e2a\u5c5e\u6027\u7ecf\u5e38\u7528\u5230\uff0c\u9700\u8981\u8bb0\u4f4f\u3002\u73b0\u5728\u6211\u4eec\u9010\u4e2a\u8fdb\u884c\u8bb2\u89e3\u3002<\/p>\n

background-color\uff1a\u80cc\u666f\u989c\u8272\u7684\u8868\u793a\u65b9\u6cd5
\ncss2.1 \u4e2d\uff0c\u989c\u8272\u7684\u8868\u793a\u65b9\u6cd5\u6709\u4e09\u79cd\uff1a\u5355\u8bcd\u3001rgb\u8868\u793a\u6cd5\u3001\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5\u3002<\/p>\n

\u6bd4\u5982\u7ea2\u8272\u53ef\u4ee5\u6709\u4e0b\u9762\u7684\u4e09\u79cd\u8868\u793a\u65b9\u6cd5\uff1a<\/p>\n

background-color: red;
\n1.
\nbackground-color: rgb(255,0,0);
\n1.
\nbackground-color: #ff0000;
\n1.<\/p>\n

\nCSS3 \u4e2d\uff0c\u6709\u4e00\u79cd\u65b0\u7684\u8868\u793a\u989c\u8272\u7684\u65b9\u5f0f\uff1aRGBA\u6216\u8005HSLA\u3002<\/p>\n

RGBA\u3001HSLA\u53ef\u5e94\u7528\u4e8e\u6240\u6709\u4f7f\u7528\u989c\u8272\u7684\u5730\u65b9\u3002<\/p>\n

\u4e0b\u9762\u5206\u522b\u4ecb\u7ecd\u3002<\/p>\n

\u7528\u82f1\u8bed\u5355\u8bcd\u8868\u793a
\n\u80fd\u591f\u7528\u82f1\u8bed\u5355\u8bcd\u6765\u8868\u8ff0\u7684\u989c\u8272\uff0c\u90fd\u662f\u7b80\u5355\u989c\u8272\uff0c\u6bd4\u5982red\u3001green\u3001blue\u3001orange\u3001gray\u7b49\u3002\u4ee3\u7801\u4e3e\u4f8b\uff1a<\/p>\n

background-color: red;
\n1.<\/p>\n

\nRGB \u8868\u793a\u6cd5
\nRGB \u8868\u793a\u4e09\u539f\u8272\u201c\u7ea2\u201dred\u3001\u201c\u7eff\u201dgreen\u3001\u201c\u84dd\u201dblue\u3002<\/p>\n

\u5149\u5b66\u663e\u793a\u5668\u4e2d\uff0c\u6bcf\u4e2a\u50cf\u7d20\u90fd\u662f\u7531\u4e09\u539f\u8272\u7684\u53d1\u5149\u539f\u4ef6\u7ec4\u6210\u7684\uff0c\u9760\u660e\u4eae\u5ea6\u4e0d\u540c\u8c03\u6210\u4e0d\u540c\u7684\u989c\u8272\u7684\u3002r\u3001g\u3001b\u7684\u503c\uff0c\u6bcf\u4e2a\u503c\u7684\u53d6\u503c\u8303\u56f40~255\uff0c\u4e00\u5171256\u4e2a\u503c\u3002<\/p>\n

\u6bd4\u5982\u7ea2\u8272\uff1a<\/p>\n

background-color: rgb(255,0,0);
\n1.<\/p>\n

\n\u9ed1\u8272\uff1a<\/p>\n

background-color: rgb(0,0,0);
\n1.<\/p>\n

\n\u989c\u8272\u53ef\u4ee5\u53e0\u52a0\uff0c\u6bd4\u5982\u9ec4\u8272\u5c31\u662f\u7ea2\u8272\u548c\u7eff\u8272\u7684\u53e0\u52a0\uff1a<\/p>\n

background-color: rgb(255,255,0);
\n1.<\/p>\n

\nRGBA \u8868\u793a\u6cd5
\nbackground-color: rgba(0, 0, 255, 0.3);
\n1.
\nborder: 30px solid rgba(0, 255, 0, 0.3);
\n1.<\/p>\n

\n\u4ee3\u7801\u89e3\u91ca\uff1a<\/p>\n

RGBA \u5373\uff1aRed \u7ea2\u3001Green \u7eff\u3001Blue \u84dd\u3001Alpha \u900f\u660e\u5ea6\u3002
\nR\u3001G\u3001B \u7684\u53d6\u503c\u8303\u56f4\u662f\uff1a0~255\uff1b\u900f\u660e\u5ea6\u7684\u53d6\u503c\u8303\u56f4\u662f 0~1\u3002
\nRGB\u8272\u5f69\u6a21\u5f0f\uff1a<\/p>\n

\u81ea\u7136\u754c\u4e2d\u6240\u6709\u7684\u989c\u8272\u90fd\u53ef\u4ee5\u7528\u7ea2\u3001\u7eff\u3001\u84dd(RGB)\u8fd9\u4e09\u79cd\u989c\u8272\u6ce2\u957f\u7684\u4e0d\u540c\u5f3a\u5ea6\u7ec4\u5408\u800c\u5f97\uff0c\u8fd9\u5c31\u662f\u4eba\u4eec\u5e38\u8bf4\u7684\u4e09\u539f\u8272\u539f\u7406\u3002
\nRGB\u4e09\u539f\u8272\u4e5f\u53eb\u52a0\u8272\u6a21\u5f0f\uff0c\u8fd9\u662f\u56e0\u4e3a\u5f53\u6211\u4eec\u628a\u4e0d\u540c\u5149\u7684\u6ce2\u957f\u52a0\u5230\u4e00\u8d77\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684\u6df7\u5408\u8272\u3002\u4f8b\uff1a\u7ea2+\u7eff=\u9ec4\u8272\uff0c\u7ea2+\u84dd\uff1d\u7d2b\u8272\uff0c\u7eff+\u84dd=\u9752\u3002
\n\u5728\u6570\u5b57\u89c6\u9891\u4e2d\uff0c\u5bf9RGB\u4e09\u57fa\u8272\u5404\u8fdb\u884c8\u4f4d\u7f16\u7801\u5c31\u6784\u6210\u4e86\u5927\u7ea61678\u4e07\u79cd\u989c\u8272\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u771f\u5f69\u8272\u3002\u6240\u6709\u663e\u793a\u8bbe\u5907\u90fd\u91c7\u7528\u7684\u662fRGB\u8272\u5f69\u6a21\u5f0f\u3002
\nRGB\u5404\u6709256\u7ea7(0-255)\u4eae\u5ea6\uff0c256\u7ea7\u7684RGB\u8272\u5f69\u603b\u5171\u80fd\u7ec4\u5408\u51fa\u7ea61678\u4e07\u79cd\u8272\u5f69\uff0c\u5373256\u00d7256\u00d7256=16777216\u3002
\n\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5
\n\u6bd4\u5982\u7ea2\u8272\uff1a<\/p>\n

 <\/p>\n

PS:\u6240\u6709\u7528\u200b\u200b#\u200b\u200b\u5f00\u5934\u7684\u503c\uff0c\u90fd\u662f16\u8fdb\u5236\u7684\u3002<\/p>\n

\u8fd9\u91cc\uff0c\u6211\u4eec\u5c31\u8981\u5b66\u4f1a16\u8fdb\u5236\u4e0e10\u8fdb\u5236\u4e4b\u95f4\u7684\u8f6c\u6362\u3002\u4e0b\u9762\u4e3e\u51e0\u4e2a\u4f8b\u5b50\u3002<\/p>\n

\u95ee\uff1a16\u8fdb\u5236\u4e2d28\u7b49\u4e8e10\u8fdb\u5236\u591a\u5c11\uff1f \u7b54\uff1a2*16+8 = 40\u3002<\/p>\n

16\u8fdb\u5236\u4e2d\u7684af\u7b49\u4e8e10\u8fdb\u5236\u591a\u5c11\uff1f \u7b54\uff1a10 * 16 + 15 = 175<\/p>\n

\u6240\u4ee5\uff0c#ff0000\u5c31\u7b49\u4e8ergb(255,0,0)\u3002<\/p>\n

\u200b\u200bbackground-color: #123456;\u200b\u200b\u7b49\u4ef7\u4e8e\u200b\u200bbackground-color: rgb(18,52,86);\u200b\u200b<\/p>\n

\u5341\u516d\u8fdb\u5236\u53ef\u4ee5\u7b80\u5316\u4e3a3\u4f4d\uff0c\u6240\u6709#aabbcc\u7684\u5f62\u5f0f\uff0c\u80fd\u591f\u7b80\u5316\u4e3a#abc\u3002\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/p>\n

\u6bd4\u5982\uff1a<\/p>\n

 <\/p>\n

\u7b49\u4ef7\u4e8e\uff1a<\/p>\n

background-color:#f00;
\n1.<\/p>\n

\n\u6bd4\u5982\uff1a<\/p>\n

background-color:#112233;
\n1.<\/p>\n

\n\u7b49\u4ef7\u4e8e\uff1a<\/p>\n

background-color:#123;
\n1.<\/p>\n

\n\u4f46\u662f\uff0c\u6bd4\u5982\u4e0b\u9762\u8fd9\u4e2a\u662f\u65e0\u6cd5\u7b80\u5316\u7684\uff1a<\/p>\n

background-color:#222333;
\n1.<\/p>\n

\n\u518d\u6bd4\u5982\uff0c\u4e0b\u9762\u8fd9\u4e2a\u4e5f\u662f\u65e0\u6cd5\u7b80\u5316\u7684\uff1a<\/p>\n

background-color:#123123;
\n1.<\/p>\n

\n\u51e0\u79cd\u5e38\u89c1\u7684\u989c\u8272\u7b80\u5199\u53ef\u4ee5\u8bb0\u4f4f\u3002\u5982\u4e0b\uff1a<\/p>\n

#000 \u9ed1
\n1.
\n#fff \u767d
\n1.
\n#f00 \u7ea2
\n1.
\n#222 \u6df1\u7070
\n1.
\n#333 \u7070
\n1.
\n#ccc \u6d45\u7070
\n1.<\/p>\n

\nHSLA \u8868\u793a\u6cd5
\n\u4e3e\u4f8b\uff1a<\/p>\n

background-color: hsla(240,50%,50%,0.4);
\n1.<\/p>\n

\n\u89e3\u91ca\uff1a<\/p>\n

H \u8272\u8c03\uff0c\u53d6\u503c\u8303\u56f4 0~360\u30020\u6216360\u8868\u793a\u7ea2\u8272\u3001120\u8868\u793a\u7eff\u8272\u3001240\u8868\u793a\u84dd\u8272\u3002
\nS \u9971\u548c\u5ea6\uff0c\u53d6\u503c\u8303\u56f4 0%~100%\u3002\u503c\u8d8a\u5927\uff0c\u8d8a\u9c9c\u8273\u3002
\nL \u4eae\u5ea6\uff0c\u53d6\u503c\u8303\u56f4 0%~100%\u3002\u4eae\u5ea6\u6700\u5927\u65f6\u4e3a\u767d\u8272\uff0c\u6700\u5c0f\u65f6\u4e3a\u9ed1\u8272\u3002
\nA \u900f\u660e\u5ea6\uff0c\u53d6\u503c\u8303\u56f4 0~1\u3002
\n\u5982\u679c\u4e0d\u77e5\u9053 H \u7684\u503c\u8be5\u8bbe\u7f6e\u591a\u5c11\uff0c\u6211\u4eec\u4e0d\u59a8\u6765\u770b\u4e00\u4e0b\u8272\u76d8\uff1a<\/p>\n

 <\/p>\n

\u63a8\u8350\u94fe\u63a5\uff1a\u200b\u00a0\u200b\u914d\u8272\u5b9d\u5178\u200b\u200b<\/p>\n

\u5173\u4e8e\u8bbe\u7f6e\u900f\u660e\u5ea6\u7684\u5176\u4ed6\u65b9\u5f0f\uff1a<\/p>\n

\uff081\uff09\u200b\u200bopacity: 0.3;\u200b\u200b \u4f1a\u5c06\u6574\u4e2a\u76d2\u5b50\u53ca\u5b50\u76d2\u5b50\u8bbe\u7f6e\u900f\u660e\u5ea6\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u76d2\u5b50\u8bbe\u7f6e\u534a\u900f\u660e\u7684\u65f6\u5019\uff0c\u4f1a\u5f71\u54cd\u91cc\u9762\u7684\u5b50\u76d2\u5b50\u3002<\/p>\n

\uff082\uff09\u200b\u200bbackground: transparent;\u200b\u200b \u53ef\u4ee5\u5355\u72ec\u8bbe\u7f6e\u900f\u660e\u5ea6\uff0c\u4f46\u8bbe\u7f6e\u7684\u662f\u5b8c\u5168\u900f\u660e\uff08\u4e0d\u53ef\u8c03\u8282\u900f\u660e\u5ea6\uff09\u3002<\/p>\n

\u200b\u200bbackground-repeat\u200b\u200b\u5c5e\u6027
\n\u200b\u200bbackground-repeat:no-repeat;\u200b\u200b\u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u662f\u5426\u91cd\u590d\u53ca\u5982\u4f55\u91cd\u590d\uff0c\u9ed8\u8ba4\u5e73\u94fa\u6ee1\u3002\u5c5e\u6027\u503c\u53ef\u4ee5\u662f\uff1a<\/p>\n

no-repeat\uff08\u4e0d\u8981\u5e73\u94fa\uff09
\nrepeat-x\uff08\u6a2a\u5411\u5e73\u94fa\uff09
\nrepeat-y\uff08\u7eb5\u5411\u5e73\u94fa\uff09
\n\u8fd9\u4e2a\u5c5e\u6027\u5728\u5f00\u53d1\u7684\u65f6\u5019\u4e5f\u662f\u7ecf\u5e38\u7528\u5230\u7684\u3002\u6211\u4eec\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u5c5e\u6027\u503c\u6765\u770b\u4e00\u4e0b\u6548\u679c\u5427\uff1a<\/p>\n

\uff081\uff09\u4e0d\u52a0\u8fd9\u4e2a\u5c5e\u6027\u65f6\uff1a\uff08\u5373\u9ed8\u8ba4\u65f6\uff09\uff08\u80cc\u666f\u56fe\u7247\u4f1a\u88ab\u5e73\u94fa\u6ee1\uff09<\/p>\n

 <\/p>\n

PS\uff1apadding\u7684\u533a\u57df\u4e5f\u662f\u6709\u80cc\u666f\u56fe\u7684\u3002<\/p>\n

\uff082\uff09\u5c5e\u6027\u503c\u4e3a\u200b\u200bno-repeat\u200b\u200b\uff08\u4e0d\u8981\u5e73\u94fa\uff09\u65f6\uff1a<\/p>\n

 <\/p>\n

\uff083\uff09\u5c5e\u6027\u503c\u4e3a\u200b\u200brepeat-x\u200b\u200b\uff08\u6a2a\u5411\u5e73\u94fa\uff09\u65f6\uff1a<\/p>\n

 <\/p>\n

\u5176\u5b9e\u8fd9\u79cd\u5c5e\u6027\u7684\u4f5c\u7528\u8fd8\u662f\u5f88\u5e7f\u7684\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u8bbe\u8ba1\u5e08\u8bbe\u8ba1\u4e00\u5f20\u5bbd\u5ea6\u53ea\u67091px\u3001\u989c\u8272\u7eb5\u5411\u6e10\u53d8\u7684\u56fe\u7247\uff0c\u7136\u540e\u6211\u4eec\u901a\u8fc7\u8fd9\u4e2a\u5c5e\u6027\u5c06\u5176\u8fdb\u884c\u6c34\u5e73\u65b9\u5411\u7684\u5e73\u94fa\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u6574\u4e2a\u9875\u9762\u90fd\u662f\u6e10\u53d8\u7684\u4e86\u3002<\/p>\n

\u5728\u641c\u7d22\u5f15\u64ce\u4e0a\u641c\u201c\u5e73\u94fa\u80cc\u666f\u201d\uff0c\u5c31\u53ef\u4ee5\u53d1\u73b0\uff0c\u5468\u671f\u6027\u7684\u56fe\u7247\u53ef\u4ee5\u91c7\u7528\u6b64\u79cd\u65b9\u6cd5\u8fdb\u884c\u5e73\u94fa\u3002<\/p>\n

\uff084\uff09\u5c5e\u6027\u503c\u4e3a\u200b\u200brepeat-y\u200b\u200b\uff08\u7eb5\u5411\u5e73\u94fa\uff09\u65f6\uff1a<\/p>\n

 <\/p>\n

\u200b\u200bbackground-position\u200b\u200b\u5c5e\u6027
\n\u200b\u200bbackground-position\u200b\u200b\u5c5e\u6027\u6307\u7684\u662f\u80cc\u666f\u5b9a\u4f4d\u5c5e\u6027\u3002\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

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\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

 <\/p>\n

2\u3001\u7528\u5355\u8bcd\u63cf\u8ff0\u5c5e\u6027\u503c\uff1a<\/p>\n

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background-position: \u63cf\u8ff0\u5de6\u53f3\u7684\u8bcd \u63cf\u8ff0\u4e0a\u4e0b\u7684\u8bcd;
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\u573a\u666f1\uff1a\uff08\u5927\u80cc\u666f\u56fe\uff09<\/p>\n

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 <\/p>\n

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 <\/p>\n

\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u662f\u901a\u8fc7\u628a\u8fd9\u5f20\u56fe\u7247\u4f5c\u4e3a\u7f51\u7ad9\u7684\u80cc\u666f\u56fe\u6765\u8fbe\u5230\u663e\u793a\u6548\u679c\u7684\u3002\u53ea\u9700\u8981\u7ed9body\u6807\u7b7e\u52a0\u5982\u4e0b\u5c5e\u6027\u5373\u53ef\uff1a<\/p>\n

body{
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\n1.
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\n1.<\/p>\n

\n\u4e0a\u65b9\u4ee3\u7801\u4e2d\uff0c\u5982\u679c\u6ca1\u52a0\u200b\u200bbackground-position\u200b\u200b\u8fd9\u4e2a\u5c5e\u6027\uff0c\u80cc\u666f\u56fe\u4f1a\u9ed8\u8ba4\u5904\u4e8e\u6d4f\u89c8\u5668\u7684\u5de6\u4e0a\u89d2\uff08\u663e\u5f97\u5f88\u4e11\uff09\uff1b\u52a0\u4e86\u6b64\u5c5e\u6027\u4e4b\u540e\uff0c\u56fe\u7247\u5728\u6c34\u5e73\u65b9\u5411\u5c31\u4f4d\u4e8e\u6d4f\u89c8\u5668\u7684\u4e2d\u95f4\u4e86\u3002<\/p>\n

\u573a\u666f2\uff1a\uff08\u901a\u680fbanner\uff09<\/p>\n

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 <\/p>\n

\u6b63\u786e\u7684\u505a\u6cd5\u662f\uff0c\u5c06banner\u56fe\u4f5c\u4e3adiv\u7684\u80cc\u666f\u56fe\uff0c\u8fd9\u6837\u7684\u8bdd\uff0c\u80cc\u666f\u56fe\u8d85\u51fadiv\u7684\u90e8\u5206\uff0c\u4f1a\u81ea\u52a8\u79fb\u6ea2\u51fa\u3002\u9700\u8981\u7ed9div\u8bbe\u7f6e\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n

div{
\n1.
\nheight: 465px;
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\nbackground-image: url(http:\/\/img.smyhvae.com\/20170813_1053.jpg);
\n1.
\nbackground-position: center top;
\n1.
\nbackground-repeat: no-repeat;
\n1.
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\n1.<\/p>\n

\n\u4e0a\u65b9\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u7ed9div\u8bbe\u7f6eheight\uff08\u9ad8\u5ea6\u4e3abanner\u56fe\u7684\u9ad8\u5ea6\uff09\uff0c\u4e0d\u9700\u8981\u8bbe\u7f6e\u5bbd\u5ea6\uff08\u56e0\u4e3a\u5bbd\u5ea6\u4f1a\u81ea\u52a8\u9738\u5360\u6574\u884c\uff09\u3002\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

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\nfixed\uff08\u80cc\u666f\u5c31\u4f1a\u88ab\u56fa\u5b9a\u4f4f\uff0c\u4e0d\u4f1a\u88ab\u6eda\u52a8\u6761\u6eda\u8d70\uff09\u3002
\nscroll\uff08\u4e0efixed\u5c5e\u6027\u76f8\u53cd\uff0c\u9ed8\u8ba4\u5c5e\u6027\uff09
\n\u200b\u200bbackground-attachment:fixed;\u200b\u200b\u7684\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

background \u7efc\u5408\u5c5e\u6027
\nbackground\u5c5e\u6027\u548cborder\u4e00\u6837\uff0c\u662f\u4e00\u4e2a\u7efc\u5408\u5c5e\u6027\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2a\u5c5e\u6027\u5199\u5728\u4e00\u8d77\u3002(\u5728\u76d2\u5b50\u6a21\u578b\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u4e13\u95e8\u8bb2\u5230border)<\/p>\n

\u4e3e\u4f8b1:<\/p>\n

background:red url(1.jpg) no-repeat 100px 100px fixed;
\n1.<\/p>\n

\n\u7b49\u4ef7\u4e8e\uff1a<\/p>\n

background-color:red;
\n1.
\nbackground-image:url(1.jpg);
\n1.
\nbackground-repeat:no-repeat;
\n1.
\nbackground-position:100px 100px;
\n1.
\nbackground-attachment:fixed;
\n1.<\/p>\n

\n\u4ee5\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u5c0f\u5c5e\u6027\u5c42\u53e0\u6389\u5927\u5c5e\u6027\u3002<\/p>\n

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background: blue url(images\/wuyifan.jpg) no-repeat 100px 100px;
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u200b\u200bbackground-size\u200b\u200b\u5c5e\u6027\uff1a\u80cc\u666f\u5c3a\u5bf8
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\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

\/* \u5bbd\u3001\u9ad8\u7684\u5177\u4f53\u6570\u503c *\/
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\n1.
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\n1.
\nbackground-size: 100% auto; \/\/\u8fd9\u4e2a\u5c5e\u6027\u53ef\u4ee5\u81ea\u5df1\u8bd5\u9a8c\u4e00\u4e0b\u3002
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\n1.
\nbackground-size: contain;
\n1.<\/p>\n

\n\u8fd9\u91cc\u6211\u4eec\u5bf9\u5c5e\u6027\u503c \u200b\u200bcover\u200b\u200b \u548c \u200b\u200bcontain\u200b\u200b \u8fdb\u884c\u518d\u6b21\u5f3a\u8c03\uff1a<\/p>\n

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<!DOCTYPE html>
\n1.
\n<html lang=”en”>
\n1.
\n<head>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
\n1.
\n<title>Document<\/title>
\n1.
\n<style>
\n1.
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\n1.
\ndisplay: flex;
\n1.
\n}
\n1.
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\n1.
\nwidth: 200px;
\n1.
\nheight: 200px;
\n1.
\nborder:1px solid red;
\n1.
\nbackground: url(http:\/\/img.smyhvae.com\/20191006_1330.jpg) no-repeat;
\n1.
\nmargin-right: 20px;
\n1.
\n}
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\n.div1 {
\n1.
\nbackground-size: cover;
\n1.
\n}
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\n1.
\n<\/style>
\n1.
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\n1.
\n<body>
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\n<section class=”img_wrap”>
\n1.
\n<div class=”img div1″><\/div>
\n1.
\n<div class=”img div2″><\/div>
\n1.
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\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u5728\u4e0a\u65b9\u4ee3\u7801\u7684\u57fa\u7840\u4e4b\u4e0a\uff0c\u518d\u52a0\u4e00\u4e2a \u200b\u200bbackground-position: center\u200b\u200b\u5c5e\u6027\u4e4b\u540e\uff0c\u56fe\u7247\u5c31\u4f1a\u5728\u5bb9\u5668\u91cc\u5c45\u4e2d\u663e\u793a\uff1a<\/p>\n

 <\/p>\n

\u80cc\u666f\u539f\u70b9\uff1a\u200b\u200bbackground-origin\u200b\u200b \u5c5e\u6027
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\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

\/* \u4ece padding-box \u5185\u8fb9\u8ddd\u5f00\u59cb\u663e\u793a\u80cc\u666f\u56fe *\/
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\n1.<\/p>\n

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\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

 <\/p>\n

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\n\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

\u200b\u200bbackground-clip: content-box;\u200b\u200b \u8d85\u51fa\u7684\u90e8\u5206\uff0c\u5c06\u88c1\u526a\u6389\u3002\u5c5e\u6027\u503c\u53ef\u4ee5\u662f\uff1a<\/p>\n

border-box \u8d85\u51fa border-box \u7684\u90e8\u5206\uff0c\u5c06\u88c1\u526a\u6389
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\n\u5047\u8bbe\u73b0\u5728\u6709\u8fd9\u6837\u7684\u5c5e\u6027\u8bbe\u7f6e\uff1a<\/p>\n

background-origin: border-box;
\n1.
\nbackground-clip: content-box;
\n1.<\/p>\n

\n\u4e0a\u65b9\u4ee3\u7801\u7684\u610f\u601d\u662f\uff0c\u80cc\u666f\u56fe\u7247\u4ece\u8fb9\u6846\u90e8\u5206\u5f00\u59cb\u52a0\u8f7d\uff0c\u4f46\u662f\u5462\uff0c\u8d85\u51fa\u5185\u5bb9\u533a\u57df\u7684\u90e8\u5206\u5c06\u88ab\u88c1\u51cf\u6389\u3002<\/p>\n

\u540c\u65f6\u8bbe\u7f6e\u591a\u4e2a\u80cc\u666f
\n\u6211\u4eec\u53ef\u4ee5\u7ed9\u4e00\u4e2a\u76d2\u5b50\u540c\u65f6\u8bbe\u7f6e\u591a\u4e2a\u80cc\u666f\uff0c\u7528\u4ee5\u9017\u53f7\u9694\u5f00\u5373\u53ef\u3002\u53ef\u7528\u4e8e\u81ea\u9002\u5e94\u5c40\u3002<\/p>\n

\u4ee3\u7801\u4e3e\u4f8b\uff1a<\/p>\n

<!DOCTYPE html>
\n1.
\n<html>
\n1.
\n<head lang=”en”>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title><\/title>
\n1.
\n<style>
\n1.
\n.box {
\n1.
\nheight: 416px;
\n1.
\nborder: 1px solid #000;
\n1.
\nmargin: 100px auto;
\n1.
\n\/* \u7ed9\u76d2\u5b50\u52a0\u591a\u4e2a\u80cc\u666f\uff0c\u6309\u7167\u80cc\u666f\u8bed\u6cd5\u683c\u5f0f\u4e66\u5199\uff0c\u591a\u4e2a\u80cc\u666f\u4f7f\u7528\u9017\u53f7\u9694\u5f00 *\/
\n1.
\nbackground: url(images\/bg1.png) no-repeat left top,
\n1.
\nurl(images\/bg2.png) no-repeat right top,
\n1.
\nurl(images\/bg3.png) no-repeat right bottom,
\n1.
\nurl(images\/bg4.png) no-repeat left bottom,
\n1.
\nurl(images\/bg5.png) no-repeat center;
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u5b9e\u73b0\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e0a\u65b9\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5176\u5b9e\u7ed9\u76d2\u5b50\u8bbe\u7f6e\u4e86\u4e94\u5f20\u5c0f\u56fe\uff0c\u62fc\u6210\u7684\u4e00\u5f20\u5927\u56fe\u3002\u5f53\u6539\u53d8\u6d4f\u89c8\u5668\u7a97\u53e3\u5927\u5c0f\u65f6\uff0c\u53ef\u4ee5\u81ea\u9002\u5e94\u5e03\u5c40\u3002<\/p>\n

\u6e10\u53d8\uff1abackground-image
\n\u6e10\u53d8\u662fCSS3\u5f53\u4e2d\u6bd4\u8f83\u4e30\u5bcc\u591a\u5f69\u7684\u4e00\u4e2a\u7279\u6027\uff0c\u901a\u8fc7\u6e10\u53d8\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u8bb8\u591a\u70ab\u4e3d\u7684\u6548\u679c\uff0c\u6709\u6548\u7684\u51cf\u5c11\u56fe\u7247\u7684\u4f7f\u7528\u6570\u91cf\uff0c\u5e76\u4e14\u5177\u6709\u5f88\u5f3a\u7684\u9002\u5e94\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n

\u6e10\u53d8\u5206\u4e3a\uff1a<\/p>\n

\u7ebf\u6027\u6e10\u53d8\uff1a\u6cbf\u7740\u67d0\u6761\u76f4\u7ebf\u671d\u4e00\u4e2a\u65b9\u5411\u4ea7\u751f\u6e10\u53d8\u6548\u679c\u3002
\n\u5f84\u5411\u6e10\u53d8\uff1a\u4ece\u4e00\u4e2a\u4e2d\u5fc3\u70b9\u5f00\u59cb\u6cbf\u7740\u56db\u5468\u4ea7\u751f\u6e10\u53d8\u6548\u679c\u3002
\n\u91cd\u590d\u6e10\u53d8\u3002
\n\u89c1\u4e0b\u56fe\uff1a<\/p>\n

 <\/p>\n

\u7ebf\u6027\u6e10\u53d8
\n\u683c\u5f0f\uff1a<\/p>\n

background-image: linear-gradient(\u65b9\u5411, \u8d77\u59cb\u989c\u8272, \u7ec8\u6b62\u989c\u8272);
\n1.
\nbackground-image: linear-gradient(to right, yellow, green);
\n1.<\/p>\n

\n\u53c2\u6570\u89e3\u91ca\uff1a<\/p>\n

\u65b9\u5411\u53ef\u4ee5\u662f\uff1ato left\u3001to right\u3001to top\u3001to bottom\u3001\u89d2\u5ea630deg\uff08\u6307\u7684\u662f\u987a\u65f6\u9488\u65b9\u541130\u00b0\uff09\u3002
\n\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

<!DOCTYPE html>
\n1.
\n<html>
\n1.
\n<head lang=”en”>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title><\/title>
\n1.
\n<style>
\n1.
\ndiv {
\n1.
\nwidth: 500px;
\n1.
\nheight: 100px;
\n1.
\nmargin: 10px auto;
\n1.
\nborder: 1px solid #000;
\n1.
\n}
\n1.
\n\/* \u8bed\u6cd5\uff1a
\n1.
\nlinear-gradient(\u65b9\u5411\uff0c\u8d77\u59cb\u989c\u8272\uff0c\u7ec8\u6b62\u989c\u8272);
\n1.
\n\u65b9\u5411\uff1ato left to right to top to bottom \u3000\u89d2\u5ea6\u300030deg
\n1.
\n\u8d77\u59cb\u989c\u8272
\n1.
\n\u7ec8\u6b62\u989c\u8272
\n1.
\n*\/
\n1.
\ndiv:nth-child(1) {
\n1.
\nbackground-image: linear-gradient(to right, yellow, green);
\n1.
\n}
\n1.
\n\/* \u4e0d\u5199\u65b9\u5411\uff0c\u8868\u793a\u9ed8\u8ba4\u7684\u65b9\u5411\u662f\uff1a\u4ece\u4e0a\u5f80\u4e0b *\/
\n1.
\ndiv:nth-child(2) {
\n1.
\nbackground-image: linear-gradient(yellow, green);
\n1.
\n}
\n1.
\n\/* \u65b9\u5411\u53ef\u4ee5\u6307\u5b9a\u89d2\u5ea6 *\/
\n1.
\ndiv:nth-child(3) {
\n1.
\nwidth: 100px;
\n1.
\nheight: 100px;
\n1.
\nbackground-image: linear-gradient(135deg, yellow, green);
\n1.
\n}
\n1.
\n\/* 0%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u9ec4\u8272\uff0c40%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u7ea2\u8272\u7684\u8fc7\u5ea6\u300270%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u7eff\u8272\u7684\u8fc7\u5ea6\uff0c100%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u84dd\u8272 *\/
\n1.
\ndiv:nth-child(4) {
\n1.
\nbackground-image: linear-gradient(to right,
\n1.
\nyellow 0%,
\n1.
\nred 40%,
\n1.
\ngreen 70%,
\n1.
\nblue 100%);
\n1.
\n}
\n1.
\n\/* \u989c\u8272\u4e4b\u95f4\uff0c\u51fa\u73b0\u7a81\u53d8 *\/
\n1.
\ndiv:nth-child(5) {
\n1.
\nbackground-image: linear-gradient(45deg,
\n1.
\nyellow 0%,
\n1.
\nyellow 25%,
\n1.
\nblue 25%,
\n1.
\nblue 50%,
\n1.
\nred 50%,
\n1.
\nred 75%,
\n1.
\ngreen 75%,
\n1.
\ngreen 100%
\n1.
\n);
\n1.
\n}
\n1.
\ndiv:nth-child(6) {
\n1.
\nbackground-image: linear-gradient(to right,
\n1.
\n#000 0%,
\n1.
\n#000 25%,
\n1.
\n#fff 25%,
\n1.
\n#fff 50%,
\n1.
\n#000 50%,
\n1.
\n#000 75%,
\n1.
\n#fff 75%,
\n1.
\n#fff 100%
\n1.
\n);
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e3e\u4f8b\uff1a\u6309\u94ae<\/p>\n

<!DOCTYPE html>
\n1.
\n<html lang=”en”>
\n1.
\n<head>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title>CSS3 \u6e10\u53d8<\/title>
\n1.
\n<style>
\n1.
\nhtml, body {
\n1.
\nheight: 100%;
\n1.
\n}
\n1.
\nbody {
\n1.
\nmargin: 0;
\n1.
\npadding: 0;
\n1.
\n}
\n1.
\n.nav {
\n1.
\nwidth: 800px;
\n1.
\ntext-align: center;
\n1.
\npadding-top: 50px;
\n1.
\nmargin: 0 auto;
\n1.
\n}
\n1.
\n\/*\u8bbe\u7f6e\u6309\u94ae\u57fa\u672c\u6837\u5f0f*\/
\n1.
\n.nav a {
\n1.
\ndisplay: inline-block;
\n1.
\nwidth: 100px;
\n1.
\nheight: 30px;
\n1.
\ntext-align: center;
\n1.
\nline-height: 30px;
\n1.
\nfont-size: 14px;
\n1.
\ncolor: #fff;
\n1.
\ntext-decoration: none;
\n1.
\nborder: 1px solid #e59500;
\n1.
\nbackground-image: linear-gradient(
\n1.
\nto bottom,
\n1.
\n#FFB700 0%,
\n1.
\n#FF8C00 100%
\n1.
\n);
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div class=”nav”>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a1<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a2<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a3<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a4<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a5<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a6<\/a>
\n1.
\n<\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\uff1a<\/p>\n

 <\/p>\n

\u5f84\u5411\u6e10\u53d8
\n\u683c\u5f0f\uff1a<\/p>\n

background-image: radial-gradient(\u8f90\u5c04\u7684\u534a\u5f84\u5927\u5c0f, \u4e2d\u5fc3\u7684\u4f4d\u7f6e, \u8d77\u59cb\u989c\u8272, \u7ec8\u6b62\u989c\u8272);
\n1.
\nbackground-image: radial-gradient(100px at center,yellow ,green);
\n1.<\/p>\n

\n\u89e3\u91ca\uff1a\u56f4\u7ed5\u4e2d\u5fc3\u70b9\u505a\u6e10\u53d8\uff0c\u534a\u5f84\u662f150px\uff0c\u4ece\u9ec4\u8272\u5230\u7eff\u8272\u505a\u6e10\u53d8\u3002<\/p>\n

\u4e2d\u5fc3\u70b9\u7684\u4f4d\u7f6e\u53ef\u4ee5\u662f\uff1aat left right center bottom top\u3002\u5982\u679c\u4ee5\u50cf\u7d20\u4e3a\u5355\u4f4d\uff0c\u5219\u4e2d\u5fc3\u70b9\u53c2\u7167\u7684\u662f\u76d2\u5b50\u7684\u5de6\u4e0a\u89d2\u3002<\/p>\n

\u5f53\u7136\uff0c\u8fd8\u6709\u5176\u4ed6\u7684\u5404\u79cd\u53c2\u6570\u3002\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

<!DOCTYPE html>
\n1.
\n<html>
\n1.
\n<head lang=”en”>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title><\/title>
\n1.
\n<style>
\n1.
\ndiv {
\n1.
\nwidth: 250px;
\n1.
\nheight: 250px;
\n1.
\nborder: 1px solid #000;
\n1.
\nmargin: 20px;
\n1.
\nfloat: left;
\n1.
\n}
\n1.
\n\/*
\n1.
\n\u5f84\u5411\u6e10\u53d8\uff1a
\n1.
\nradial-gradient\uff08\u8f90\u5c04\u7684\u534a\u5f84\u5927\u5c0f, \u4e2d\u5fc3\u7684\u4f4d\u7f6e\uff0c\u8d77\u59cb\u989c\u8272\uff0c\u7ec8\u6b62\u989c\u8272\uff09;
\n1.
\n\u4e2d\u5fc3\u70b9\u4f4d\u7f6e\uff1aat left right center bottom top
\n1.
\n*\/
\n1.
\n\/*\u8f90\u5c04\u534a\u5f84\u4e3a100px\uff0c\u4e2d\u5fc3\u70b9\u5728\u4e2d\u95f4*\/
\n1.
\ndiv:nth-child(1) {
\n1.
\nbackground-image: radial-gradient(100px at center, yellow, green);
\n1.
\n}
\n1.
\n\/*\u4e2d\u5fc3\u70b9\u5728\u5de6\u4e0a\u89d2*\/
\n1.
\ndiv:nth-child(3) {
\n1.
\nbackground-image: radial-gradient(at left top, yellow, green);
\n1.
\n}
\n1.
\ndiv:nth-child(2) {
\n1.
\nbackground-image: radial-gradient(at 50px 50px, yellow, green);
\n1.
\n}
\n1.
\n\/*\u8bbe\u7f6e\u4e0d\u540c\u7684\u989c\u8272\u6e10\u53d8*\/
\n1.
\ndiv:nth-child(4) {
\n1.
\nbackground-image: radial-gradient(100px at center,
\n1.
\nyellow 0%,
\n1.
\ngreen 30%,
\n1.
\nblue 60%,
\n1.
\nred 100%);
\n1.
\n}
\n1.
\n\/*\u5982\u679c\u8f90\u5c04\u534a\u5f84\u7684\u5bbd\u9ad8\u4e0d\u540c\uff0c\u90a3\u5c31\u662f\u692d\u5706*\/
\n1.
\ndiv:nth-child(5) {
\n1.
\nbackground-image: radial-gradient(100px 50px at center, yellow, green);
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e3e\u4f8b\uff1a\u5229\u7528\u5f84\u5411\u6e10\u53d8\u548c\u8fb9\u6846\u5706\u89d2\u7684\u5c5e\u6027\uff0c\u751f\u6210\u6309\u94ae\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

<!DOCTYPE html>
\n1.
\n<html lang=”en”>
\n1.
\n<head>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title>CSS3 \u6e10\u53d8<\/title>
\n1.
\n<style>
\n1.
\ndiv:nth-child(1) {
\n1.
\nwidth: 200px;
\n1.
\nheight: 200px;
\n1.
\nmargin: 40px auto;
\n1.
\nborder-radius: 100px;
\n1.
\n}
\n1.
\ndiv:nth-child(2) {
\n1.
\nwidth: 200px;
\n1.
\nheight: 200px;
\n1.
\nmargin: 40px auto;
\n1.
\nborder-radius: 100px;
\n1.
\nbackground-image: radial-gradient(
\n1.
\n200px at 100px 100px,
\n1.
\nrgba(0, 0, 0, 0),
\n1.
\nrgba(0, 0, 0, 0.5)
\n1.
\n);
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e0a\u56fe\u4e2d\uff0c\u7ed9\u7b2c\u4e8c\u4e2adiv\u8bbe\u7f6e\u7684\u900f\u660e\u5ea6\u662f\u4ece0\u52300.5\u3002\u5982\u679c\u8bbe\u7f6e\u7684\u900f\u660e\u5ea6\u662f\u4ece0\u52300\uff0c\u5219\u6837\u5f0f\u65e0\u53d8\u5316\uff0c\u548c\u7b2c\u4e00\u4e2adiv\u4e00\u6837\u3002\u5982\u679c\u8bbe\u7f6e\u7684\u900f\u660e\u5ea6\u662f\u4ece1\u52301\uff0c\u5219\u76d2\u5b50\u662f\u5168\u9ed1\u7684\u3002<\/p>\n

clip-path\uff1a\u88c1\u526a\u51fa\u5143\u7d20\u7684\u90e8\u5206\u533a\u57df\u505a\u5c55\u793a
\n\u200b\u200bclip-path\u200b\u200b\u5c5e\u6027\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u53ea\u6709\u5143\u7d20\u7684\u90e8\u5206\u533a\u57df\u53ef\u4ee5\u663e\u793a\u7684\u526a\u5207\u533a\u57df\u3002\u533a\u57df\u5185\u7684\u90e8\u5206\u663e\u793a\uff0c\u533a\u57df\u5916\u7684\u9690\u85cf\u3002<\/p>\n

\u867d\u7136\u200b\u200bclip-path\u200b\u200b\u4e0d\u662f\u80cc\u666f\u5c5e\u6027\uff0c\u4f46\u8fd9\u4e2a\u5c5e\u6027\u975e\u5e38\u5f3a\u5927\uff0c\u4f46\u5f80\u5f80\u4f1a\u7ed3\u5408\u80cc\u666f\u5c5e\u6027\u4e00\u8d77\u4f7f\u7528\uff0c\u8fbe\u5230\u4e00\u4e9b\u6548\u679c\u3002<\/p>\n

\u4e3e\u4f8b\uff1a\uff08\u9f20\u6807\u60ac\u505c\u65f6\uff0c\u653e\u5927\u88c1\u526a\u7684\u533a\u57df\uff09<\/p>\n

.div1 {
\n1.
\nwidth: 320px;
\n1.
\nheight: 320px;
\n1.
\nborder: 1px solid red;
\n1.
\nbackground: url(http:\/\/img.smyhvae.com\/20191006_1410.png) no-repeat;
\n1.
\nbackground-size: cover;
\n1.
\n\/* \u88c1\u526a\u51fa\u5706\u5f62\u533a\u57df *\/
\n1.
\nclip-path: circle(50px at 100px 100px);
\n1.
\ntransition: clip-path .4s;
\n1.
\n}
\n1.
\n.div1:hover{
\n1.
\n\/* \u9f20\u6807\u60ac\u505c\u65f6\uff0c\u88c1\u526a\u51fa\u66f4\u5927\u7684\u5706\u5f62 *\/
\n1.
\nclip-path: circle(80px at 100px 100px);
\n1.
\n}
\n1.<\/p>\n

\n\u200b\u200bclip-path\u200b\u200b\u5c5e\u6027\u7684\u597d\u5904\u662f\uff0c\u5373\u4f7f\u505a\u4e86\u4efb\u4f55\u88c1\u526a\uff0c\u5bb9\u5668\u7684\u5360\u4f4d\u5927\u5c0f\u662f\u4e0d\u53d8\u7684\u3002\u6bd4\u5982\u4e0a\u65b9\u4ee3\u7801\u4e2d\uff0c\u5bb9\u5668\u7684\u5360\u4f4d\u5927\u5c0f\u4e00\u76f4\u90fd\u662f 320px * 320px\u3002\u8fd9\u6837\u7684\u8bdd\uff0c\u4e5f\u65b9\u4fbf\u6211\u4eec\u505a\u4e00\u4e9b\u52a8\u753b\u6548\u679c\u3002<\/p>\n

\u200b\u200bclip-path: polygon()\u200b\u200b\u4e3e\u4f8b\uff1a<\/p>\n

 <\/p>\n

\u53e6\u5916\uff0c\u901a\u8fc7 \u200b\u200bclip-path: (svg)\u200b\u200b \u53ef\u4ee5\u5bfc\u5165svg\u77e2\u91cf\u56fe\uff0c\u5b9e\u73b0 iOS\u56fe\u6807\u7684\u5706\u89d2\u3002\u8fd9\u91cc\u5c31\u4e0d\u8be6\u7ec6\u5c55\u5f00\u4e86\u3002
\n———————————–
\nCSS\u5c5e\u6027\uff1a\u80cc\u666f\u5c5e\u6027
\nhttps:\/\/blog.51cto.com\/u_15077560\/4683408<\/p>\n

background \u7684\u5e38\u89c1\u80cc\u666f\u5c5e\u6027
\ncss2.1 \u4e2d\uff0c\u5e38\u89c1\u7684\u80cc\u666f\u5c5e\u6027\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a\uff08\u7ecf\u5e38\u7528\u5230\uff0c\u8981\u8bb0\u4f4f\uff09<\/p>\n

background-color:#ff99ff; \u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\u989c\u8272\u3002
\nbackground-image:url(images\/2.gif); \u5c06\u56fe\u50cf\u8bbe\u7f6e\u4e3a\u80cc\u666f\u3002
\nbackground-repeat: no-repeat; \u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u662f\u5426\u91cd\u590d\u53ca\u5982\u4f55\u91cd\u590d\uff0c\u9ed8\u8ba4\u5e73\u94fa\u6ee1\u3002\uff08\u91cd\u8981\uff09
\nno-repeat\u4e0d\u8981\u5e73\u94fa\uff1b
\nrepeat-x\u6a2a\u5411\u5e73\u94fa\uff1b
\nrepeat-y\u7eb5\u5411\u5e73\u94fa\u3002
\nbackground-position:center top; \u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u5728\u5f53\u524d\u5bb9\u5668\u4e2d\u7684\u4f4d\u7f6e\u3002
\nbackground-attachment:scroll; \u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u662f\u5426\u8ddf\u7740\u6eda\u52a8\u6761\u4e00\u8d77\u79fb\u52a8\u3002\u5c5e\u6027\u503c\u53ef\u4ee5\u662f\uff1a scroll\uff08\u4e0efixed\u5c5e\u6027\u76f8\u53cd\uff0c\u9ed8\u8ba4\u5c5e\u6027\uff09\u3001fixed\uff08\u80cc\u666f\u5c31\u4f1a\u88ab\u56fa\u5b9a\u4f4f\uff0c\u4e0d\u4f1a\u88ab\u6eda\u52a8\u6761\u6eda\u8d70\uff09\u3002
\n\u53e6\u5916\u8fd8\u6709\u4e00\u4e2a\u7efc\u5408\u5c5e\u6027\u53eb\u505abackground\uff0c\u5b83\u7684\u4f5c\u7528\u662f\uff1a\u5c06\u4e0a\u9762\u7684\u591a\u4e2a\u5c5e\u6027\u5199\u5728\u4e00\u4e2a\u58f0\u660e\u4e2d\u3002
\nCSS3 \u4e2d\uff0c\u65b0\u589e\u4e86\u4e00\u4e9bbackground\u5c5e\u6027\uff1a<\/p>\n

background-origin
\nbackground-clip \u80cc\u666f\u88c1\u5207
\nbackground-size \u8c03\u6574\u5c3a\u5bf8
\n\u591a\u91cd\u80cc\u666f
\n\u4e0a\u9762\u8fd9\u51e0\u4e2a\u5c5e\u6027\u7ecf\u5e38\u7528\u5230\uff0c\u9700\u8981\u8bb0\u4f4f\u3002\u73b0\u5728\u6211\u4eec\u9010\u4e2a\u8fdb\u884c\u8bb2\u89e3\u3002<\/p>\n

background-color\uff1a\u80cc\u666f\u989c\u8272\u7684\u8868\u793a\u65b9\u6cd5
\ncss2.1 \u4e2d\uff0c\u989c\u8272\u7684\u8868\u793a\u65b9\u6cd5\u6709\u4e09\u79cd\uff1a\u5355\u8bcd\u3001rgb\u8868\u793a\u6cd5\u3001\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5\u3002<\/p>\n

\u6bd4\u5982\u7ea2\u8272\u53ef\u4ee5\u6709\u4e0b\u9762\u7684\u4e09\u79cd\u8868\u793a\u65b9\u6cd5\uff1a<\/p>\n

background-color: red;
\n1.
\nbackground-color: rgb(255,0,0);
\n1.
\nbackground-color: #ff0000;
\n1.<\/p>\n

\nCSS3 \u4e2d\uff0c\u6709\u4e00\u79cd\u65b0\u7684\u8868\u793a\u989c\u8272\u7684\u65b9\u5f0f\uff1aRGBA\u6216\u8005HSLA\u3002<\/p>\n

RGBA\u3001HSLA\u53ef\u5e94\u7528\u4e8e\u6240\u6709\u4f7f\u7528\u989c\u8272\u7684\u5730\u65b9\u3002<\/p>\n

\u4e0b\u9762\u5206\u522b\u4ecb\u7ecd\u3002<\/p>\n

\u7528\u82f1\u8bed\u5355\u8bcd\u8868\u793a
\n\u80fd\u591f\u7528\u82f1\u8bed\u5355\u8bcd\u6765\u8868\u8ff0\u7684\u989c\u8272\uff0c\u90fd\u662f\u7b80\u5355\u989c\u8272\uff0c\u6bd4\u5982red\u3001green\u3001blue\u3001orange\u3001gray\u7b49\u3002\u4ee3\u7801\u4e3e\u4f8b\uff1a<\/p>\n

background-color: red;
\n1.<\/p>\n

\nRGB \u8868\u793a\u6cd5
\nRGB \u8868\u793a\u4e09\u539f\u8272\u201c\u7ea2\u201dred\u3001\u201c\u7eff\u201dgreen\u3001\u201c\u84dd\u201dblue\u3002<\/p>\n

\u5149\u5b66\u663e\u793a\u5668\u4e2d\uff0c\u6bcf\u4e2a\u50cf\u7d20\u90fd\u662f\u7531\u4e09\u539f\u8272\u7684\u53d1\u5149\u539f\u4ef6\u7ec4\u6210\u7684\uff0c\u9760\u660e\u4eae\u5ea6\u4e0d\u540c\u8c03\u6210\u4e0d\u540c\u7684\u989c\u8272\u7684\u3002r\u3001g\u3001b\u7684\u503c\uff0c\u6bcf\u4e2a\u503c\u7684\u53d6\u503c\u8303\u56f40~255\uff0c\u4e00\u5171256\u4e2a\u503c\u3002<\/p>\n

\u6bd4\u5982\u7ea2\u8272\uff1a<\/p>\n

background-color: rgb(255,0,0);
\n1.<\/p>\n

\n\u9ed1\u8272\uff1a<\/p>\n

background-color: rgb(0,0,0);
\n1.<\/p>\n

\n\u989c\u8272\u53ef\u4ee5\u53e0\u52a0\uff0c\u6bd4\u5982\u9ec4\u8272\u5c31\u662f\u7ea2\u8272\u548c\u7eff\u8272\u7684\u53e0\u52a0\uff1a<\/p>\n

background-color: rgb(255,255,0);
\n1.<\/p>\n

\nRGBA \u8868\u793a\u6cd5
\nbackground-color: rgba(0, 0, 255, 0.3);
\n1.
\nborder: 30px solid rgba(0, 255, 0, 0.3);
\n1.<\/p>\n

\n\u4ee3\u7801\u89e3\u91ca\uff1a<\/p>\n

RGBA \u5373\uff1aRed \u7ea2\u3001Green \u7eff\u3001Blue \u84dd\u3001Alpha \u900f\u660e\u5ea6\u3002
\nR\u3001G\u3001B \u7684\u53d6\u503c\u8303\u56f4\u662f\uff1a0~255\uff1b\u900f\u660e\u5ea6\u7684\u53d6\u503c\u8303\u56f4\u662f 0~1\u3002
\nRGB\u8272\u5f69\u6a21\u5f0f\uff1a<\/p>\n

\u81ea\u7136\u754c\u4e2d\u6240\u6709\u7684\u989c\u8272\u90fd\u53ef\u4ee5\u7528\u7ea2\u3001\u7eff\u3001\u84dd(RGB)\u8fd9\u4e09\u79cd\u989c\u8272\u6ce2\u957f\u7684\u4e0d\u540c\u5f3a\u5ea6\u7ec4\u5408\u800c\u5f97\uff0c\u8fd9\u5c31\u662f\u4eba\u4eec\u5e38\u8bf4\u7684\u4e09\u539f\u8272\u539f\u7406\u3002
\nRGB\u4e09\u539f\u8272\u4e5f\u53eb\u52a0\u8272\u6a21\u5f0f\uff0c\u8fd9\u662f\u56e0\u4e3a\u5f53\u6211\u4eec\u628a\u4e0d\u540c\u5149\u7684\u6ce2\u957f\u52a0\u5230\u4e00\u8d77\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684\u6df7\u5408\u8272\u3002\u4f8b\uff1a\u7ea2+\u7eff=\u9ec4\u8272\uff0c\u7ea2+\u84dd\uff1d\u7d2b\u8272\uff0c\u7eff+\u84dd=\u9752\u3002
\n\u5728\u6570\u5b57\u89c6\u9891\u4e2d\uff0c\u5bf9RGB\u4e09\u57fa\u8272\u5404\u8fdb\u884c8\u4f4d\u7f16\u7801\u5c31\u6784\u6210\u4e86\u5927\u7ea61678\u4e07\u79cd\u989c\u8272\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u771f\u5f69\u8272\u3002\u6240\u6709\u663e\u793a\u8bbe\u5907\u90fd\u91c7\u7528\u7684\u662fRGB\u8272\u5f69\u6a21\u5f0f\u3002
\nRGB\u5404\u6709256\u7ea7(0-255)\u4eae\u5ea6\uff0c256\u7ea7\u7684RGB\u8272\u5f69\u603b\u5171\u80fd\u7ec4\u5408\u51fa\u7ea61678\u4e07\u79cd\u8272\u5f69\uff0c\u5373256\u00d7256\u00d7256=16777216\u3002
\n\u5341\u516d\u8fdb\u5236\u8868\u793a\u6cd5
\n\u6bd4\u5982\u7ea2\u8272\uff1a<\/p>\n

 <\/p>\n

PS:\u6240\u6709\u7528\u200b\u200b#\u200b\u200b\u5f00\u5934\u7684\u503c\uff0c\u90fd\u662f16\u8fdb\u5236\u7684\u3002<\/p>\n

\u8fd9\u91cc\uff0c\u6211\u4eec\u5c31\u8981\u5b66\u4f1a16\u8fdb\u5236\u4e0e10\u8fdb\u5236\u4e4b\u95f4\u7684\u8f6c\u6362\u3002\u4e0b\u9762\u4e3e\u51e0\u4e2a\u4f8b\u5b50\u3002<\/p>\n

\u95ee\uff1a16\u8fdb\u5236\u4e2d28\u7b49\u4e8e10\u8fdb\u5236\u591a\u5c11\uff1f \u7b54\uff1a2*16+8 = 40\u3002<\/p>\n

16\u8fdb\u5236\u4e2d\u7684af\u7b49\u4e8e10\u8fdb\u5236\u591a\u5c11\uff1f \u7b54\uff1a10 * 16 + 15 = 175<\/p>\n

\u6240\u4ee5\uff0c#ff0000\u5c31\u7b49\u4e8ergb(255,0,0)\u3002<\/p>\n

\u200b\u200bbackground-color: #123456;\u200b\u200b\u7b49\u4ef7\u4e8e\u200b\u200bbackground-color: rgb(18,52,86);\u200b\u200b<\/p>\n

\u5341\u516d\u8fdb\u5236\u53ef\u4ee5\u7b80\u5316\u4e3a3\u4f4d\uff0c\u6240\u6709#aabbcc\u7684\u5f62\u5f0f\uff0c\u80fd\u591f\u7b80\u5316\u4e3a#abc\u3002\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/p>\n

\u6bd4\u5982\uff1a<\/p>\n

 <\/p>\n

\u7b49\u4ef7\u4e8e\uff1a<\/p>\n

background-color:#f00;
\n1.<\/p>\n

\n\u6bd4\u5982\uff1a<\/p>\n

background-color:#112233;
\n1.<\/p>\n

\n\u7b49\u4ef7\u4e8e\uff1a<\/p>\n

background-color:#123;
\n1.<\/p>\n

\n\u4f46\u662f\uff0c\u6bd4\u5982\u4e0b\u9762\u8fd9\u4e2a\u662f\u65e0\u6cd5\u7b80\u5316\u7684\uff1a<\/p>\n

background-color:#222333;
\n1.<\/p>\n

\n\u518d\u6bd4\u5982\uff0c\u4e0b\u9762\u8fd9\u4e2a\u4e5f\u662f\u65e0\u6cd5\u7b80\u5316\u7684\uff1a<\/p>\n

background-color:#123123;
\n1.<\/p>\n

\n\u51e0\u79cd\u5e38\u89c1\u7684\u989c\u8272\u7b80\u5199\u53ef\u4ee5\u8bb0\u4f4f\u3002\u5982\u4e0b\uff1a<\/p>\n

#000 \u9ed1
\n1.
\n#fff \u767d
\n1.
\n#f00 \u7ea2
\n1.
\n#222 \u6df1\u7070
\n1.
\n#333 \u7070
\n1.
\n#ccc \u6d45\u7070
\n1.<\/p>\n

\nHSLA \u8868\u793a\u6cd5
\n\u4e3e\u4f8b\uff1a<\/p>\n

background-color: hsla(240,50%,50%,0.4);
\n1.<\/p>\n

\n\u89e3\u91ca\uff1a<\/p>\n

H \u8272\u8c03\uff0c\u53d6\u503c\u8303\u56f4 0~360\u30020\u6216360\u8868\u793a\u7ea2\u8272\u3001120\u8868\u793a\u7eff\u8272\u3001240\u8868\u793a\u84dd\u8272\u3002
\nS \u9971\u548c\u5ea6\uff0c\u53d6\u503c\u8303\u56f4 0%~100%\u3002\u503c\u8d8a\u5927\uff0c\u8d8a\u9c9c\u8273\u3002
\nL \u4eae\u5ea6\uff0c\u53d6\u503c\u8303\u56f4 0%~100%\u3002\u4eae\u5ea6\u6700\u5927\u65f6\u4e3a\u767d\u8272\uff0c\u6700\u5c0f\u65f6\u4e3a\u9ed1\u8272\u3002
\nA \u900f\u660e\u5ea6\uff0c\u53d6\u503c\u8303\u56f4 0~1\u3002
\n\u5982\u679c\u4e0d\u77e5\u9053 H \u7684\u503c\u8be5\u8bbe\u7f6e\u591a\u5c11\uff0c\u6211\u4eec\u4e0d\u59a8\u6765\u770b\u4e00\u4e0b\u8272\u76d8\uff1a<\/p>\n

 <\/p>\n

\u63a8\u8350\u94fe\u63a5\uff1a\u200b\u00a0\u200b\u914d\u8272\u5b9d\u5178\u200b\u200b<\/p>\n

\u5173\u4e8e\u8bbe\u7f6e\u900f\u660e\u5ea6\u7684\u5176\u4ed6\u65b9\u5f0f\uff1a<\/p>\n

\uff081\uff09\u200b\u200bopacity: 0.3;\u200b\u200b \u4f1a\u5c06\u6574\u4e2a\u76d2\u5b50\u53ca\u5b50\u76d2\u5b50\u8bbe\u7f6e\u900f\u660e\u5ea6\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u76d2\u5b50\u8bbe\u7f6e\u534a\u900f\u660e\u7684\u65f6\u5019\uff0c\u4f1a\u5f71\u54cd\u91cc\u9762\u7684\u5b50\u76d2\u5b50\u3002<\/p>\n

\uff082\uff09\u200b\u200bbackground: transparent;\u200b\u200b \u53ef\u4ee5\u5355\u72ec\u8bbe\u7f6e\u900f\u660e\u5ea6\uff0c\u4f46\u8bbe\u7f6e\u7684\u662f\u5b8c\u5168\u900f\u660e\uff08\u4e0d\u53ef\u8c03\u8282\u900f\u660e\u5ea6\uff09\u3002<\/p>\n

\u200b\u200bbackground-repeat\u200b\u200b\u5c5e\u6027
\n\u200b\u200bbackground-repeat:no-repeat;\u200b\u200b\u8bbe\u7f6e\u80cc\u666f\u56fe\u7247\u662f\u5426\u91cd\u590d\u53ca\u5982\u4f55\u91cd\u590d\uff0c\u9ed8\u8ba4\u5e73\u94fa\u6ee1\u3002\u5c5e\u6027\u503c\u53ef\u4ee5\u662f\uff1a<\/p>\n

no-repeat\uff08\u4e0d\u8981\u5e73\u94fa\uff09
\nrepeat-x\uff08\u6a2a\u5411\u5e73\u94fa\uff09
\nrepeat-y\uff08\u7eb5\u5411\u5e73\u94fa\uff09
\n\u8fd9\u4e2a\u5c5e\u6027\u5728\u5f00\u53d1\u7684\u65f6\u5019\u4e5f\u662f\u7ecf\u5e38\u7528\u5230\u7684\u3002\u6211\u4eec\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u5c5e\u6027\u503c\u6765\u770b\u4e00\u4e0b\u6548\u679c\u5427\uff1a<\/p>\n

\uff081\uff09\u4e0d\u52a0\u8fd9\u4e2a\u5c5e\u6027\u65f6\uff1a\uff08\u5373\u9ed8\u8ba4\u65f6\uff09\uff08\u80cc\u666f\u56fe\u7247\u4f1a\u88ab\u5e73\u94fa\u6ee1\uff09<\/p>\n

 <\/p>\n

PS\uff1apadding\u7684\u533a\u57df\u4e5f\u662f\u6709\u80cc\u666f\u56fe\u7684\u3002<\/p>\n

\uff082\uff09\u5c5e\u6027\u503c\u4e3a\u200b\u200bno-repeat\u200b\u200b\uff08\u4e0d\u8981\u5e73\u94fa\uff09\u65f6\uff1a<\/p>\n

 <\/p>\n

\uff083\uff09\u5c5e\u6027\u503c\u4e3a\u200b\u200brepeat-x\u200b\u200b\uff08\u6a2a\u5411\u5e73\u94fa\uff09\u65f6\uff1a<\/p>\n

 <\/p>\n

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\u5728\u641c\u7d22\u5f15\u64ce\u4e0a\u641c\u201c\u5e73\u94fa\u80cc\u666f\u201d\uff0c\u5c31\u53ef\u4ee5\u53d1\u73b0\uff0c\u5468\u671f\u6027\u7684\u56fe\u7247\u53ef\u4ee5\u91c7\u7528\u6b64\u79cd\u65b9\u6cd5\u8fdb\u884c\u5e73\u94fa\u3002<\/p>\n

\uff084\uff09\u5c5e\u6027\u503c\u4e3a\u200b\u200brepeat-y\u200b\u200b\uff08\u7eb5\u5411\u5e73\u94fa\uff09\u65f6\uff1a<\/p>\n

 <\/p>\n

\u200b\u200bbackground-position\u200b\u200b\u5c5e\u6027
\n\u200b\u200bbackground-position\u200b\u200b\u5c5e\u6027\u6307\u7684\u662f\u80cc\u666f\u5b9a\u4f4d\u5c5e\u6027\u3002\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

\u5728\u63cf\u8ff0\u5c5e\u6027\u503c\u7684\u65f6\u5019\uff0c\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u7528\u50cf\u7d20\u63cf\u8ff0\u3001\u7528\u5355\u8bcd\u63cf\u8ff0\u3002\u4e0b\u9762\u5206\u522b\u4ecb\u7ecd\u3002<\/p>\n

1\u3001\u7528\u50cf\u7d20\u503c\u63cf\u8ff0\u5c5e\u6027\u503c\uff1a<\/p>\n

\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

background-position:\u5411\u53f3\u504f\u79fb\u91cf \u5411\u4e0b\u504f\u79fb\u91cf;
\n1.<\/p>\n

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\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

 <\/p>\n

2\u3001\u7528\u5355\u8bcd\u63cf\u8ff0\u5c5e\u6027\u503c\uff1a<\/p>\n

\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n

background-position: \u63cf\u8ff0\u5de6\u53f3\u7684\u8bcd \u63cf\u8ff0\u4e0a\u4e0b\u7684\u8bcd;
\n1.<\/p>\n

\n\u63cf\u8ff0\u5de6\u53f3\u7684\u8bcd\uff1aleft\u3001center\u3001right
\n\u63cf\u8ff0\u4e0a\u4e0b\u7684\u8bcd\uff1atop \u3001center\u3001bottom
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\u6bd4\u5982\u8bf4\uff0c\u200b\u200bbottom\u200b\u200b\u8868\u793a\u56fe\u7247\u7684\u5e95\u8fb9\u548c\u7236\u4eb2\u5e95\u8fb9\u8d34\u9f50\uff08\u597d\u597d\u7406\u89e3\uff09\u3002<\/p>\n

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\u573a\u666f1\uff1a\uff08\u5927\u80cc\u666f\u56fe\uff09<\/p>\n

\u6253\u5f00\u201c\u6697\u9ed13 \u53f0\u6e7e\u201d\u7684\u5b98\u7f51\u200b\u00a0\u200bhttps:\/\/tw.battle.net\/d3\/zh\/\u200b\u200b\uff0c\u53ef\u4ee5\u770b\u5230\u5b98\u7f51\u7684\u6548\u679c\u662f\u6bd4\u8f83\u70ab\u7684\uff1a<\/p>\n

 <\/p>\n

\u68c0\u67e5\u7f51\u9875\u540e\uff0c\u627e\u5230\u7f51\u7ad9\u80cc\u666f\u56fe\u7247\u7684url\uff1a\u200b\u00a0\u200bhttps:\/\/tw.battle.net\/d3\/static\/images\/layout\/bg-repeat.jpg\u200b\u200b\u3002\u80cc\u666f\u56fe\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u662f\u901a\u8fc7\u628a\u8fd9\u5f20\u56fe\u7247\u4f5c\u4e3a\u7f51\u7ad9\u7684\u80cc\u666f\u56fe\u6765\u8fbe\u5230\u663e\u793a\u6548\u679c\u7684\u3002\u53ea\u9700\u8981\u7ed9body\u6807\u7b7e\u52a0\u5982\u4e0b\u5c5e\u6027\u5373\u53ef\uff1a<\/p>\n

body{
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\n1.<\/p>\n

\n\u4e0a\u65b9\u4ee3\u7801\u4e2d\uff0c\u5982\u679c\u6ca1\u52a0\u200b\u200bbackground-position\u200b\u200b\u8fd9\u4e2a\u5c5e\u6027\uff0c\u80cc\u666f\u56fe\u4f1a\u9ed8\u8ba4\u5904\u4e8e\u6d4f\u89c8\u5668\u7684\u5de6\u4e0a\u89d2\uff08\u663e\u5f97\u5f88\u4e11\uff09\uff1b\u52a0\u4e86\u6b64\u5c5e\u6027\u4e4b\u540e\uff0c\u56fe\u7247\u5728\u6c34\u5e73\u65b9\u5411\u5c31\u4f4d\u4e8e\u6d4f\u89c8\u5668\u7684\u4e2d\u95f4\u4e86\u3002<\/p>\n

\u573a\u666f2\uff1a\uff08\u901a\u680fbanner\uff09<\/p>\n

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 <\/p>\n

\u6b63\u786e\u7684\u505a\u6cd5\u662f\uff0c\u5c06banner\u56fe\u4f5c\u4e3adiv\u7684\u80cc\u666f\u56fe\uff0c\u8fd9\u6837\u7684\u8bdd\uff0c\u80cc\u666f\u56fe\u8d85\u51fadiv\u7684\u90e8\u5206\uff0c\u4f1a\u81ea\u52a8\u79fb\u6ea2\u51fa\u3002\u9700\u8981\u7ed9div\u8bbe\u7f6e\u7684\u5c5e\u6027\u5982\u4e0b\uff1a<\/p>\n

div{
\n1.
\nheight: 465px;
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\nbackground-image: url(http:\/\/img.smyhvae.com\/20170813_1053.jpg);
\n1.
\nbackground-position: center top;
\n1.
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\n1.
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\n1.<\/p>\n

\n\u4e0a\u65b9\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u7ed9div\u8bbe\u7f6eheight\uff08\u9ad8\u5ea6\u4e3abanner\u56fe\u7684\u9ad8\u5ea6\uff09\uff0c\u4e0d\u9700\u8981\u8bbe\u7f6e\u5bbd\u5ea6\uff08\u56e0\u4e3a\u5bbd\u5ea6\u4f1a\u81ea\u52a8\u9738\u5360\u6574\u884c\uff09\u3002\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u5c06banner\u56fe\u4f5c\u4e3adiv\u7684\u80cc\u666f\u540e\uff0cbanner\u56fe\u4f1a\u6c38\u8fdc\u5904\u4e8e\u7f51\u9875\u7684\u6b63\u4e2d\u95f4\uff08\u6c34\u5e73\u65b9\u5411\u6765\u770b\uff09\u3002<\/p>\n

background-attachment \u5c5e\u6027
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\nfixed\uff08\u80cc\u666f\u5c31\u4f1a\u88ab\u56fa\u5b9a\u4f4f\uff0c\u4e0d\u4f1a\u88ab\u6eda\u52a8\u6761\u6eda\u8d70\uff09\u3002
\nscroll\uff08\u4e0efixed\u5c5e\u6027\u76f8\u53cd\uff0c\u9ed8\u8ba4\u5c5e\u6027\uff09
\n\u200b\u200bbackground-attachment:fixed;\u200b\u200b\u7684\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

background \u7efc\u5408\u5c5e\u6027
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\u4e3e\u4f8b1:<\/p>\n

background:red url(1.jpg) no-repeat 100px 100px fixed;
\n1.<\/p>\n

\n\u7b49\u4ef7\u4e8e\uff1a<\/p>\n

background-color:red;
\n1.
\nbackground-image:url(1.jpg);
\n1.
\nbackground-repeat:no-repeat;
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\n1.<\/p>\n

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background: blue url(images\/wuyifan.jpg) no-repeat 100px 100px;
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u200b\u200bbackground-size\u200b\u200b\u5c5e\u6027\uff1a\u80cc\u666f\u5c3a\u5bf8
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\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

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\n1.<\/p>\n

\n\u8fd9\u91cc\u6211\u4eec\u5bf9\u5c5e\u6027\u503c \u200b\u200bcover\u200b\u200b \u548c \u200b\u200bcontain\u200b\u200b \u8fdb\u884c\u518d\u6b21\u5f3a\u8c03\uff1a<\/p>\n

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<!DOCTYPE html>
\n1.
\n<html lang=”en”>
\n1.
\n<head>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
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\n<title>Document<\/title>
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\n1.
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\n1.
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\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u5728\u4e0a\u65b9\u4ee3\u7801\u7684\u57fa\u7840\u4e4b\u4e0a\uff0c\u518d\u52a0\u4e00\u4e2a \u200b\u200bbackground-position: center\u200b\u200b\u5c5e\u6027\u4e4b\u540e\uff0c\u56fe\u7247\u5c31\u4f1a\u5728\u5bb9\u5668\u91cc\u5c45\u4e2d\u663e\u793a\uff1a<\/p>\n

 <\/p>\n

\u80cc\u666f\u539f\u70b9\uff1a\u200b\u200bbackground-origin\u200b\u200b \u5c5e\u6027
\n\u200b\u200bbackground-origin\u200b\u200b \u5c5e\u6027\uff1a\u63a7\u5236\u80cc\u666f\u4ece\u4ec0\u4e48\u5730\u65b9\u5f00\u59cb\u663e\u793a\u3002<\/p>\n

\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

\/* \u4ece padding-box \u5185\u8fb9\u8ddd\u5f00\u59cb\u663e\u793a\u80cc\u666f\u56fe *\/
\n1.
\nbackground-origin: padding-box; \/\/\u9ed8\u8ba4\u503c
\n1.
\n\/* \u4ece border-box \u8fb9\u6846\u5f00\u59cb\u663e\u793a\u80cc\u666f\u56fe *\/
\n1.
\nbackground-origin: border-box;
\n1.
\n\/* \u4ece content-box \u5185\u5bb9\u533a\u57df\u5f00\u59cb\u663e\u793a\u80cc\u666f\u56fe *\/
\n1.
\nbackground-origin: content-box;
\n1.<\/p>\n

\n\u5982\u679c\u5c5e\u6027\u503c\u8bbe\u7f6e\u6210\u4e86\u200b\u200bborder-box\u200b\u200b\uff0c\u90a3\u8fb9\u6846\u90e8\u5206\u4e5f\u4f1a\u663e\u793a\u56fe\u7247\u54e6\u3002<\/p>\n

\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

 <\/p>\n

\u200b\u200bbackground-clip\u200b\u200b\u5c5e\u6027\uff1a\u8bbe\u7f6e\u5143\u7d20\u7684\u80cc\u666f\uff08\u80cc\u666f\u56fe\u7247\u6216\u989c\u8272\uff09\u662f\u5426\u5ef6\u4f38\u5230\u8fb9\u6846\u4e0b\u9762
\n\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

\u200b\u200bbackground-clip: content-box;\u200b\u200b \u8d85\u51fa\u7684\u90e8\u5206\uff0c\u5c06\u88c1\u526a\u6389\u3002\u5c5e\u6027\u503c\u53ef\u4ee5\u662f\uff1a<\/p>\n

border-box \u8d85\u51fa border-box \u7684\u90e8\u5206\uff0c\u5c06\u88c1\u526a\u6389
\npadding-box \u8d85\u51fa padding-box \u7684\u90e8\u5206\uff0c\u5c06\u88c1\u526a\u6389
\ncontent-box \u8d85\u51fa content-box \u7684\u90e8\u5206\uff0c\u5c06\u88c1\u526a\u6389
\n\u5047\u8bbe\u73b0\u5728\u6709\u8fd9\u6837\u7684\u5c5e\u6027\u8bbe\u7f6e\uff1a<\/p>\n

background-origin: border-box;
\n1.
\nbackground-clip: content-box;
\n1.<\/p>\n

\n\u4e0a\u65b9\u4ee3\u7801\u7684\u610f\u601d\u662f\uff0c\u80cc\u666f\u56fe\u7247\u4ece\u8fb9\u6846\u90e8\u5206\u5f00\u59cb\u52a0\u8f7d\uff0c\u4f46\u662f\u5462\uff0c\u8d85\u51fa\u5185\u5bb9\u533a\u57df\u7684\u90e8\u5206\u5c06\u88ab\u88c1\u51cf\u6389\u3002<\/p>\n

\u540c\u65f6\u8bbe\u7f6e\u591a\u4e2a\u80cc\u666f
\n\u6211\u4eec\u53ef\u4ee5\u7ed9\u4e00\u4e2a\u76d2\u5b50\u540c\u65f6\u8bbe\u7f6e\u591a\u4e2a\u80cc\u666f\uff0c\u7528\u4ee5\u9017\u53f7\u9694\u5f00\u5373\u53ef\u3002\u53ef\u7528\u4e8e\u81ea\u9002\u5e94\u5c40\u3002<\/p>\n

\u4ee3\u7801\u4e3e\u4f8b\uff1a<\/p>\n

<!DOCTYPE html>
\n1.
\n<html>
\n1.
\n<head lang=”en”>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title><\/title>
\n1.
\n<style>
\n1.
\n.box {
\n1.
\nheight: 416px;
\n1.
\nborder: 1px solid #000;
\n1.
\nmargin: 100px auto;
\n1.
\n\/* \u7ed9\u76d2\u5b50\u52a0\u591a\u4e2a\u80cc\u666f\uff0c\u6309\u7167\u80cc\u666f\u8bed\u6cd5\u683c\u5f0f\u4e66\u5199\uff0c\u591a\u4e2a\u80cc\u666f\u4f7f\u7528\u9017\u53f7\u9694\u5f00 *\/
\n1.
\nbackground: url(images\/bg1.png) no-repeat left top,
\n1.
\nurl(images\/bg2.png) no-repeat right top,
\n1.
\nurl(images\/bg3.png) no-repeat right bottom,
\n1.
\nurl(images\/bg4.png) no-repeat left bottom,
\n1.
\nurl(images\/bg5.png) no-repeat center;
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u5b9e\u73b0\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e0a\u65b9\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5176\u5b9e\u7ed9\u76d2\u5b50\u8bbe\u7f6e\u4e86\u4e94\u5f20\u5c0f\u56fe\uff0c\u62fc\u6210\u7684\u4e00\u5f20\u5927\u56fe\u3002\u5f53\u6539\u53d8\u6d4f\u89c8\u5668\u7a97\u53e3\u5927\u5c0f\u65f6\uff0c\u53ef\u4ee5\u81ea\u9002\u5e94\u5e03\u5c40\u3002<\/p>\n

\u6e10\u53d8\uff1abackground-image
\n\u6e10\u53d8\u662fCSS3\u5f53\u4e2d\u6bd4\u8f83\u4e30\u5bcc\u591a\u5f69\u7684\u4e00\u4e2a\u7279\u6027\uff0c\u901a\u8fc7\u6e10\u53d8\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u8bb8\u591a\u70ab\u4e3d\u7684\u6548\u679c\uff0c\u6709\u6548\u7684\u51cf\u5c11\u56fe\u7247\u7684\u4f7f\u7528\u6570\u91cf\uff0c\u5e76\u4e14\u5177\u6709\u5f88\u5f3a\u7684\u9002\u5e94\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n

\u6e10\u53d8\u5206\u4e3a\uff1a<\/p>\n

\u7ebf\u6027\u6e10\u53d8\uff1a\u6cbf\u7740\u67d0\u6761\u76f4\u7ebf\u671d\u4e00\u4e2a\u65b9\u5411\u4ea7\u751f\u6e10\u53d8\u6548\u679c\u3002
\n\u5f84\u5411\u6e10\u53d8\uff1a\u4ece\u4e00\u4e2a\u4e2d\u5fc3\u70b9\u5f00\u59cb\u6cbf\u7740\u56db\u5468\u4ea7\u751f\u6e10\u53d8\u6548\u679c\u3002
\n\u91cd\u590d\u6e10\u53d8\u3002
\n\u89c1\u4e0b\u56fe\uff1a<\/p>\n

 <\/p>\n

\u7ebf\u6027\u6e10\u53d8
\n\u683c\u5f0f\uff1a<\/p>\n

background-image: linear-gradient(\u65b9\u5411, \u8d77\u59cb\u989c\u8272, \u7ec8\u6b62\u989c\u8272);
\n1.
\nbackground-image: linear-gradient(to right, yellow, green);
\n1.<\/p>\n

\n\u53c2\u6570\u89e3\u91ca\uff1a<\/p>\n

\u65b9\u5411\u53ef\u4ee5\u662f\uff1ato left\u3001to right\u3001to top\u3001to bottom\u3001\u89d2\u5ea630deg\uff08\u6307\u7684\u662f\u987a\u65f6\u9488\u65b9\u541130\u00b0\uff09\u3002
\n\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

<!DOCTYPE html>
\n1.
\n<html>
\n1.
\n<head lang=”en”>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title><\/title>
\n1.
\n<style>
\n1.
\ndiv {
\n1.
\nwidth: 500px;
\n1.
\nheight: 100px;
\n1.
\nmargin: 10px auto;
\n1.
\nborder: 1px solid #000;
\n1.
\n}
\n1.
\n\/* \u8bed\u6cd5\uff1a
\n1.
\nlinear-gradient(\u65b9\u5411\uff0c\u8d77\u59cb\u989c\u8272\uff0c\u7ec8\u6b62\u989c\u8272);
\n1.
\n\u65b9\u5411\uff1ato left to right to top to bottom \u3000\u89d2\u5ea6\u300030deg
\n1.
\n\u8d77\u59cb\u989c\u8272
\n1.
\n\u7ec8\u6b62\u989c\u8272
\n1.
\n*\/
\n1.
\ndiv:nth-child(1) {
\n1.
\nbackground-image: linear-gradient(to right, yellow, green);
\n1.
\n}
\n1.
\n\/* \u4e0d\u5199\u65b9\u5411\uff0c\u8868\u793a\u9ed8\u8ba4\u7684\u65b9\u5411\u662f\uff1a\u4ece\u4e0a\u5f80\u4e0b *\/
\n1.
\ndiv:nth-child(2) {
\n1.
\nbackground-image: linear-gradient(yellow, green);
\n1.
\n}
\n1.
\n\/* \u65b9\u5411\u53ef\u4ee5\u6307\u5b9a\u89d2\u5ea6 *\/
\n1.
\ndiv:nth-child(3) {
\n1.
\nwidth: 100px;
\n1.
\nheight: 100px;
\n1.
\nbackground-image: linear-gradient(135deg, yellow, green);
\n1.
\n}
\n1.
\n\/* 0%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u9ec4\u8272\uff0c40%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u7ea2\u8272\u7684\u8fc7\u5ea6\u300270%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u7eff\u8272\u7684\u8fc7\u5ea6\uff0c100%\u7684\u4f4d\u7f6e\u5f00\u59cb\u51fa\u73b0\u84dd\u8272 *\/
\n1.
\ndiv:nth-child(4) {
\n1.
\nbackground-image: linear-gradient(to right,
\n1.
\nyellow 0%,
\n1.
\nred 40%,
\n1.
\ngreen 70%,
\n1.
\nblue 100%);
\n1.
\n}
\n1.
\n\/* \u989c\u8272\u4e4b\u95f4\uff0c\u51fa\u73b0\u7a81\u53d8 *\/
\n1.
\ndiv:nth-child(5) {
\n1.
\nbackground-image: linear-gradient(45deg,
\n1.
\nyellow 0%,
\n1.
\nyellow 25%,
\n1.
\nblue 25%,
\n1.
\nblue 50%,
\n1.
\nred 50%,
\n1.
\nred 75%,
\n1.
\ngreen 75%,
\n1.
\ngreen 100%
\n1.
\n);
\n1.
\n}
\n1.
\ndiv:nth-child(6) {
\n1.
\nbackground-image: linear-gradient(to right,
\n1.
\n#000 0%,
\n1.
\n#000 25%,
\n1.
\n#fff 25%,
\n1.
\n#fff 50%,
\n1.
\n#000 50%,
\n1.
\n#000 75%,
\n1.
\n#fff 75%,
\n1.
\n#fff 100%
\n1.
\n);
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<div><\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e3e\u4f8b\uff1a\u6309\u94ae<\/p>\n

<!DOCTYPE html>
\n1.
\n<html lang=”en”>
\n1.
\n<head>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title>CSS3 \u6e10\u53d8<\/title>
\n1.
\n<style>
\n1.
\nhtml, body {
\n1.
\nheight: 100%;
\n1.
\n}
\n1.
\nbody {
\n1.
\nmargin: 0;
\n1.
\npadding: 0;
\n1.
\n}
\n1.
\n.nav {
\n1.
\nwidth: 800px;
\n1.
\ntext-align: center;
\n1.
\npadding-top: 50px;
\n1.
\nmargin: 0 auto;
\n1.
\n}
\n1.
\n\/*\u8bbe\u7f6e\u6309\u94ae\u57fa\u672c\u6837\u5f0f*\/
\n1.
\n.nav a {
\n1.
\ndisplay: inline-block;
\n1.
\nwidth: 100px;
\n1.
\nheight: 30px;
\n1.
\ntext-align: center;
\n1.
\nline-height: 30px;
\n1.
\nfont-size: 14px;
\n1.
\ncolor: #fff;
\n1.
\ntext-decoration: none;
\n1.
\nborder: 1px solid #e59500;
\n1.
\nbackground-image: linear-gradient(
\n1.
\nto bottom,
\n1.
\n#FFB700 0%,
\n1.
\n#FF8C00 100%
\n1.
\n);
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div class=”nav”>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a1<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a2<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a3<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a4<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a5<\/a>
\n1.
\n<a href=”javascript:;”>\u5bfc\u822a6<\/a>
\n1.
\n<\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\uff1a<\/p>\n

 <\/p>\n

\u5f84\u5411\u6e10\u53d8
\n\u683c\u5f0f\uff1a<\/p>\n

background-image: radial-gradient(\u8f90\u5c04\u7684\u534a\u5f84\u5927\u5c0f, \u4e2d\u5fc3\u7684\u4f4d\u7f6e, \u8d77\u59cb\u989c\u8272, \u7ec8\u6b62\u989c\u8272);
\n1.
\nbackground-image: radial-gradient(100px at center,yellow ,green);
\n1.<\/p>\n

\n\u89e3\u91ca\uff1a\u56f4\u7ed5\u4e2d\u5fc3\u70b9\u505a\u6e10\u53d8\uff0c\u534a\u5f84\u662f150px\uff0c\u4ece\u9ec4\u8272\u5230\u7eff\u8272\u505a\u6e10\u53d8\u3002<\/p>\n

\u4e2d\u5fc3\u70b9\u7684\u4f4d\u7f6e\u53ef\u4ee5\u662f\uff1aat left right center bottom top\u3002\u5982\u679c\u4ee5\u50cf\u7d20\u4e3a\u5355\u4f4d\uff0c\u5219\u4e2d\u5fc3\u70b9\u53c2\u7167\u7684\u662f\u76d2\u5b50\u7684\u5de6\u4e0a\u89d2\u3002<\/p>\n

\u5f53\u7136\uff0c\u8fd8\u6709\u5176\u4ed6\u7684\u5404\u79cd\u53c2\u6570\u3002\u683c\u5f0f\u4e3e\u4f8b\uff1a<\/p>\n

<!DOCTYPE html>
\n1.
\n<html>
\n1.
\n<head lang=”en”>
\n1.
\n<meta charset=”UTF-8″>
\n1.
\n<title><\/title>
\n1.
\n<style>
\n1.
\ndiv {
\n1.
\nwidth: 250px;
\n1.
\nheight: 250px;
\n1.
\nborder: 1px solid #000;
\n1.
\nmargin: 20px;
\n1.
\nfloat: left;
\n1.
\n}
\n1.
\n\/*
\n1.
\n\u5f84\u5411\u6e10\u53d8\uff1a
\n1.
\nradial-gradient\uff08\u8f90\u5c04\u7684\u534a\u5f84\u5927\u5c0f, \u4e2d\u5fc3\u7684\u4f4d\u7f6e\uff0c\u8d77\u59cb\u989c\u8272\uff0c\u7ec8\u6b62\u989c\u8272\uff09;
\n1.
\n\u4e2d\u5fc3\u70b9\u4f4d\u7f6e\uff1aat left right center bottom top
\n1.
\n*\/
\n1.
\n\/*\u8f90\u5c04\u534a\u5f84\u4e3a100px\uff0c\u4e2d\u5fc3\u70b9\u5728\u4e2d\u95f4*\/
\n1.
\ndiv:nth-child(1) {
\n1.
\nbackground-image: radial-gradient(100px at center, yellow, green);
\n1.
\n}
\n1.
\n\/*\u4e2d\u5fc3\u70b9\u5728\u5de6\u4e0a\u89d2*\/
\n1.
\ndiv:nth-child(3) {
\n1.
\nbackground-image: radial-gradient(at left top, yellow, green);
\n1.
\n}
\n1.
\ndiv:nth-child(2) {
\n1.
\nbackground-image: radial-gradient(at 50px 50px, yellow, green);
\n1.
\n}
\n1.
\n\/*\u8bbe\u7f6e\u4e0d\u540c\u7684\u989c\u8272\u6e10\u53d8*\/
\n1.
\ndiv:nth-child(4) {
\n1.
\nbackground-image: radial-gradient(100px at center,
\n1.
\nyellow 0%,
\n1.
\ngreen 30%,
\n1.
\nblue 60%,
\n1.
\nred 100%);
\n1.
\n}
\n1.
\n\/*\u5982\u679c\u8f90\u5c04\u534a\u5f84\u7684\u5bbd\u9ad8\u4e0d\u540c\uff0c\u90a3\u5c31\u662f\u692d\u5706*\/
\n1.
\ndiv:nth-child(5) {
\n1.
\nbackground-image: radial-gradient(100px 50px at center, yellow, green);
\n1.
\n}
\n1.
\n<\/style>
\n1.
\n<\/head>
\n1.
\n<body>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<div class=”box”><\/div>
\n1.
\n<\/body>
\n1.
\n<\/html>
\n1.<\/p>\n

\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u4e3e\u4f8b\uff1a\u5229\u7528\u5f84\u5411\u6e10\u53d8\u548c\u8fb9\u6846\u5706\u89d2\u7684\u5c5e\u6027\uff0c\u751f\u6210\u6309\u94ae\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

<!DOCTYPE html>
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\n<html lang=”en”>
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\n<head>
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\n<title>CSS3 \u6e10\u53d8<\/title>
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\n\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

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clip-path\uff1a\u88c1\u526a\u51fa\u5143\u7d20\u7684\u90e8\u5206\u533a\u57df\u505a\u5c55\u793a
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.div1 {
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\n1.
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\n1.<\/p>\n

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\u200b\u200bclip-path: polygon()\u200b\u200b\u4e3e\u4f8b\uff1a<\/p>\n

 <\/p>\n

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