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href=\"http:\/\/www.zhangxinxu.com\/wordpress\/2011\/05\/web%E9%A1%B5%E9%9D%A2%E7%9B%B8%E5%85%B3%E7%9A%84%E4%B8%80%E4%BA%9B%E5%B8%B8%E8%A7%81%E5%8F%AF%E7%94%A8%E5%AD%97%E7%AC%A6%E4%BB%8B%E7%BB%8D\/\">web\u9875\u9762\u76f8\u5173\u7684\u4e00\u4e9b\u5e38\u89c1\u53ef\u7528\u5b57\u7b26\u4ecb\u7ecd<\/a>\u201d\u8fd9\u7bc7\u6587\u7ae0\u3002<\/p>\n<p>\u81f3\u4e8eCSS3\u56fe\u5f62\u751f\u6210\u5c31\u662f\u4f7f\u7528<code>box-shadow<\/code>\uff0c<code>border-radius<\/code>\uff0c<code>gradient<\/code>\u6e10\u53d8\u7b49CSS3\u7684\u65b0\u5c5e\u6027\u751f\u6210\u56fe\u5f62\uff0c\u8fd9\u4e2a\u76f8\u5173\u5185\u5bb9\u5b9e\u5728\u592a\u591a\u4e86\uff0c\u5c31\u4e0d\u4e00\u4e00\u5217\u4e3e\u4e86\u3002<\/p>\n<p>\u4e0b\u9762\u5373\u5c06\u5c55\u793a\u7684demo\u9875\u9762\u4e2d\u6709\u5916\u9634\u5f71\u6548\u679c\uff0c\u6709\u591a\u8fb9\u6846\u7684\u6e10\u53d8\u6548\u679c\uff0c\u6709\u8d28\u611f\u660e\u663e\u7684\u5706\u89d2\u6e10\u53d8\u6309\u94ae\uff0c\u4f46\u662f\uff0c\u6240\u6709\u8fd9\u4e9b\u6548\u679c\u7684\u5b9e\u73b0\u6ca1\u6709\u7528\u5230\u4e00\u4e2aCSS 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alt=\"\u65e0\u56fe\u7247\u51c6\u5219demo\u9875\u9762\u622a\u56fe\" class=\"alignnone\" \/><\/p>\n<p>\u5728\u5177\u4f53\u63d0\u793a\u5404\u5904\u76f8\u5173\u6280\u672f\u7ec6\u8282\u4e4b\u524d\uff0c\u5148\u770b\u770b\u8fd9\u4e2ademo\u9875\u9762\u5e94\u7528\u4e86\u201c\u65e0\u56fe\u7247\u201d\u51c6\u5219\u7684\u597d\u5904\u5728\u54ea\u91cc\u3002<\/p>\n<p>\u9996\u5148\uff0c\u8fd9\u4e2a\u9875\u9762\u7684\u6240\u6709\u6548\u679c\u6ca1\u6709\u7528\u5230\u4e00\u5f20CSS image\uff0c\u5982\u4e0bYSlow\u7684\u5206\u6790\u622a\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"YSlow\u8d44\u6e90\u5206\u6790 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201105\/2011-05-25_211239.png\" title=\"YSlow\u8d44\u6e90\u5206\u6790 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" class=\"alignnone\" width=\"440\" height=\"214\" \/><\/p>\n<p>\u5176\u4e2d\uff0c\u4e24\u4e2aJS\u662fGoogle\u5e7f\u544a\u8bed\u7edf\u8ba1\u7684JS\u811a\u672c\uff0c2\u4e2aimage\u4e00\u4e2a\u662f\u7ad9\u70b9\u7684logo\u56fe\u7247\uff0c\u8fd8\u6709\u4e00\u4e2a\u5c31\u662f\u9875\u9762\u4e0a\u7684\u5f20\u542b\u97f5\u5c0f\u7f8e\u5973\u5e74\u8f7b\u65f6\u5019\u7684\u7167\u7247\u3002\u53ef\u89c1\uff0c\u8d44\u6e90\u5360\u7528\u662f\u76f8\u5f53\u5c11\u7684\uff0c\u5f88\u663e\u7136\uff0cYSlow\u7684\u8bc4\u7ea7\u4e00\u5b9a\u4e0d\u4f4e\uff0c\u679c\u7136\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"YSlow\u7684\u8bc4\u7ea7\u622a\u56fe \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201105\/2011-05-25_211620.png\" title=\"YSlow\u7684\u8bc4\u7ea7\u622a\u56fe \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" class=\"alignnone\" width=\"354\" height=\"249\" \/><\/p>\n<p>\u662f\u6700\u9ad8\u7684A\uff0c\u7531\u6b64\u53ef\u89c1\uff0c\u5176\u5b9e\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u5e38\u8bc6\u7684\uff0c\u201c\u65e0\u56fe\u7247\u201d\u6709\u5229\u4e8e\u63d0\u9ad8\u9875\u9762\u6027\u80fd\u4e0e\u8d28\u91cf\u3002<\/p>\n<p>\u518d\u8005\uff0c\u60a8\u62c9\u4f38\u6d4f\u89c8\u5668\u6539\u53d8\u5176\u7a97\u53e3\u5927\u5c0f\uff0c\u4f60\u4f1a\u53d1\u73b0demo\u9875\u9762\u4e2d\u7684\u8fd9\u4e9b\u6548\u679c\u4e0d\u4ec5\u9ad8\u5ea6\u81ea\u9002\u5e94\uff0c\u800c\u4e14\u5bbd\u5ea6\u4e5f\u662f\u81ea\u9002\u5e94\u7684\u3002\u60f3\u60f3\u770b\uff0c\u5982\u679c\u8fd9\u91cc\u7684\u5916\u9634\u5f71\u6548\u679c\u662f\u7528\u56fe\u7247\u5b9e\u73b0\uff0c\u4f60\u80fd\u53ef\u4ee5\u8ba9\u4ed6\u5bbd\u5ea6\u81ea\u9002\u5e94\uff0c\u9ad8\u5ea6\u4e5f\u81ea\u9002\u5e94\u5417\uff1f\u4ece\u8fd9\u4e2a\u6548\u679c\u5c31\u53ef\u4ee5\u770b\u51fa\u201c\u65e0\u56fe\u7247\u201d\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u9875\u9762\u7684\u5bb9\u9519\u6027\u4ee5\u53ca\u6269\u5c55\u6027\u662f\u6bcb\u5eb8\u7f6e\u7591\u7684\u3002<\/p>\n<p><span class=\"s\">\/\/zxx:\u4e3a\u4f18\u5316\u56fe\u7247\u5c3a\u5bf8\uff0c\u4e0b\u622a\u56fe\u7565\u6709\u5931\u771f<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201801\/2018-01-01_235243.png\" width=\"387\" height=\"443\" alt=\"\u9ad8\u5bbd\u81ea\u9002\u5e94\u793a\u4f8b\u622a\u56fe\" class=\"alignnone\" \/><\/p>\n<p><strong>\u4e00\u4e9b\u6280\u672f\u70b9\u63d0\u793a<\/strong><br \/>\n\u4e0b\u9762\u6240\u6709\u7684\u6280\u672f\u70b9\u5b9e\u73b0\u90fd\u79bb\u4e0d\u5f00\u4e00\u4e2a\u50cf\u7d20\u4e16\u754c\u7684\u601d\u7ef4\u65b9\u5f0f\uff0c\u5173\u4e8e\u8fd9\u4e2a\uff0c\u60a8\u53ef\u4ee5\u53c2\u89c1\u6211\u65e9\u671f\u65f6\u5019\u5199\u7684\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/2009\/12\/%E5%83%8F%E7%B4%A0%E7%9A%84%E4%B8%96%E7%95%8C%E5%8F%8A%E5%85%B6%E5%9C%A8web%E5%BC%80%E5%8F%91%E5%88%B6%E4%BD%9C%E4%B8%AD%E7%9A%84%E5%BA%94%E7%94%A8\/\">\u50cf\u7d20\u7684\u4e16\u754c\u53ca\u5176\u5728web\u5f00\u53d1\u5236\u4f5c\u4e2d\u7684\u5e94\u7528<\/a>\u201d\u4e00\u6587\uff0c\u6211\u73b0\u5728\u81ea\u5df1\u56de\u8fc7\u5934\u770b\u8fd9\u7bc7\u6587\u7ae0\u90fd\u6709\u4e9b\u65b0\u6536\u83b7\u3002<\/p>\n<p>\u8bbe\u8ba1\u7a3f\u4e0a\u9762\u7684\u6240\u6709UI\u6548\u679c\u5f52\u6839\u7ed3\u5e95\u5c31\u662f\u4e9b\u50cf\u7d20\u70b9\u62fc\u51fa\u6765\u7684\uff0c\u6240\u4ee5\uff0c\u5982\u679c\u4ee5\u50cf\u7d20\u7684\u773c\u5149\u770b\u5230UI\u6548\u679c\uff0c\u4f60\u5c31\u53ef\u4ee5\u4e00\u773c\u6d1e\u7a7f\u6548\u679c\u7684\u672c\u8d28\uff0c\u8fd9\u5bf9\u4e8e\u201c\u65e0\u56fe\u7247\u201d\u5b9e\u73b0\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>1\u3001\u5916\u9634\u5f71\u6548\u679c\u5b9e\u73b0\u63d0\u793a<\/strong><br \/>\n\u53e4\u8bed\u6709\u4e91\uff0c\u6709\u5f97\u5fc5\u6709\u5931\uff0c\u5929\u624d\u53d8\u767d\u75f4\u3002\u65e0\u56fe\u7247\u5916\u9634\u5f71\u6548\u679c\u867d\u7136\u597d\u5904\u5927\u5927\u7684\u6709\uff0c\u4f46\u662f\uff0c\u5374\u662f\u727a\u7272\u5f88\u591a\u6807\u7b7e\u4e3a\u4ee3\u4ef7\u7684\u3002\u6211\u4eec\u7528\u5c0fbug\u7b80\u5355\u770b\u4e0b\u2014\u2014<br \/>\n\u4f1a\u53d1\u73b0\uff0c\u4e0a\u4e0b\u4e24\u9762\u7684\u5916\u6295\u5f71\u6548\u679c\u662f\u75313\u4e2adiv\u6807\u7b7e\u751f\u6210\u7684\uff0c\u5982\u4e0b\u622a\u56fe\u6240\u793a\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\u4e0a\u4e0b\u9634\u5f71\u6807\u7b7e\u727a\u7272 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201105\/2011-05-25_215121.png\" title=\"\u4e0a\u4e0b\u9634\u5f71\u6807\u7b7e\u727a\u7272 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" class=\"alignnone\" width=\"440\" height=\"169\" \/><\/p>\n<p>\u800c\u5de6\u53f3\u4e24\u4fa7\u7684\u6295\u5f71\u5e94\u7528\u4e86\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u65e0\u9ad8\u5ea6\u7279\u6027\uff0c\u5176\u539f\u7406\u4e0e\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1528\">CSS \u76f8\u5bf9\/\u7edd\u5bf9(relative\/absolute)\u5b9a\u4f4d\u7cfb\u5217\uff08\u4e09\uff09<\/a>\u201d\u4e00\u6587\u4e2d\u201cabsolute\u4e0e\u7b49\u9ad8\u5e03\u5c40\u201d\u90e8\u5206\u5b9e\u73b0\u539f\u7406\u4e00\u81f4\uff0c\u60a8\u6709\u5174\u8da3\u53ef\u4ee5\u53bb\u770b\u770b\uff0c\u8fd9\u91cc\u4e0d\u8d58\u8ff0\u3002<br \/>\n\u7531\u4e8e\u5176\u5de6\u53f3\u5bf9\u79f0\uff0c\u4e14\u662f\u5355\u6807\u7b7e\uff0c\u6240\u4ee5\u53f3\u4fa7\u7684\u6295\u5f71\u5b9e\u73b0\u5e94\u7528\u4e86\u5143\u7d20\u7684\u6c34\u5e73\u7ffb\u8f6c\u6280\u672f\uff0c\u5177\u4f53\u53ef\u53c2\u89c1\u4e0d\u4e45\u4e4b\u524d\u7684\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1637\">CSS\u5782\u76f4\u7ffb\u8f6c\/\u6c34\u5e73\u7ffb\u8f6c\u63d0\u9ad8web\u9875\u9762\u8d44\u6e90\u91cd\u7528\u6027<\/a>\u201d\u4e00\u6587\u3002<\/p>\n<p><strong>2\u3001\u53cc\u8fb9\u6846\u6e10\u53d8\u80cc\u666f\u63d0\u793a<\/strong><br \/>\n\u5173\u4e8e\u5982\u4f55\u5b9e\u73b0\u517c\u5bb9\u6027\u7684\u6e10\u53d8\u80cc\u666f\u6548\u679c\u53ef\u53c2\u89c1\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=743\">CSS\u5b9e\u73b0\u517c\u5bb9\u6027\u7684\u6e10\u53d8\u80cc\u666f(gradient)\u6548\u679c<\/a>\u201d\u4e00\u6587\uff0c\u4e0d\u8fc7\u8fd9\u7bc7\u6587\u7ae0\u4e2dIE\u6d4f\u89c8\u5668\u4e0b\u6e10\u53d8\u534a\u900f\u660e\u989c\u8272\u7684\u5b9e\u73b0\u6298\u817e\u4e86\uff0c\u5176\u5b9e\u65e0\u9700\u518d\u4f7f\u7528alpha\u6ee4\u955c\uff0c\u5177\u4f53\u5982\u4f55\u64cd\u4f5c\u53ef\u53c2\u89c1\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/2010\/05\/rgba%E9%A2%9C%E8%89%B2%E4%B8%8E%E5%85%BC%E5%AE%B9%E6%80%A7%E7%9A%84%E5%8D%8A%E9%80%8F%E6%98%8E%E8%83%8C%E6%99%AF%E8%89%B2\/\">RGBA\u989c\u8272\u4e0e\u517c\u5bb9\u6027\u7684\u534a\u900f\u660e\u80cc\u666f\u8272<\/a>\u201d\u4e00\u6587\u3002<\/p>\n<p>\u672c\u5904\u7684\u7c89\u8272\u6e10\u53d8\u76f8\u5173CSS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.pink_grad{\n    background:#FFE7EF;\n    background:-moz-linear-gradient(top, #FFFFFF, #FFDAE5);\n    background:-o-linear-gradient(top, #FFFFFF, #FFDAE5);\n    background:-webkit-gradient(linear, 0 0, 0 bottom, from(#FFFFFF), to(#FFDAE5));\n    filter:progid:DXImageTransform.Microsoft.gradient(startcolorstr=#FFFFFF,endcolorstr=#FFDAE5,gradientType=0);\n    *zoom:1;\n}<\/pre>\n<\/div>\n<p>\u4e4b\u6240\u4ee5\u6709\u4e2a<code>*zoom:1<\/code>\u662f\u4e3a\u4e86\u8ba9IE6\/IE7\u6d4f\u89c8\u5668haslayout\uff0c\u4ee5\u4fbf\u6ee4\u955c\u6548\u679c\u53ef\u4ee5\u751f\u6548\u3002<\/p>\n<p>\u5bf9\u4e8e\u767d\u8272\u5185\u8fb9\u6846\u7684\u5b9e\u73b0\uff0c\u4e3b\u4f53\u90e8\u5206\u5de6\u53f3\u4e24\u4fa7\u662f\u901a\u8fc7\u591a\u5d4c\u5957\u4e00\u5c42\u6807\u7b7e\u5b9e\u73b0\uff08\u5de6\u53f3\u8fb9\u6846\uff09\uff0c\u4e0b\u4fa7\u7684\u5219\u662f1\u50cf\u7d20\u9ad8\u5ea6div\u901a\u8fc7\u7684CSS\u80cc\u666f\u8272\u751f\u6210\u7684\u3002\u5176\u4ed6\u4e00\u4e9b\u7ec6\u8282\u53ef\u7528firebug\u67e5\u770b\uff0c\u539f\u7406\u90fd\u662f\u5f88\u7b80\u5355\u7684\u3002<\/p>\n<p><strong>3\u3001\u8d28\u611f\u660e\u663e\u6e10\u53d8\u6309\u94ae\u63d0\u793a<\/strong><br \/>\n\u6b64\u5904\u5b9e\u73b0\u7684\u6309\u94ae\u4e0d\u4ec5\u5bbd\u5ea6\u81ea\u9002\u5e94\uff08\u81ea\u9002\u5e94\u4e8e\u6587\u5b57\u4e2a\u6570\uff0c\u6587\u5b57\u5927\u5c0f\uff0c\u4ea6\u53ef\u5185\u90e8\u5b9a\u5bbd\uff09\uff0c\u9ad8\u5ea6\u4e5f\u81ea\u9002\u5e94\uff08\u81ea\u9002\u5e94\u4e8e\u6587\u5b57\u5927\u5c0f\uff0c\u884c\u53f7\uff09\uff0c\u6309\u94ae\u6587\u5b57style\u53ef\u5916\u90e8\u7ee7\u627f\uff0c\u800c\u4e14\u53d7\u63a7\u4e8e<code>text-align<\/code>\u5c5e\u6027\uff0c\u652f\u6301\u56fe\u6587\u6df7\u6392\uff0c\u4e14\u6709\u517c\u5bb9\u6027\u7684\u9f20\u6807hover\u6548\u679c\uff0c\u5982\u4e0b\u4e00\u4e9b\u5217\u622a\u56fe\u5c55\u793a\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\u6309\u94ae\u5bbd\u5ea6\u81ea\u9002\u5e94\u622a\u56fe \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201105\/2011-05-25_222400.png\" title=\"\u6309\u94ae\u5bbd\u5ea6\u81ea\u9002\u5e94\u622a\u56fe 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\/><\/p>\n<p>\u8fd9\u4e9b\u5176\u5b9e\u90fd\u662f\u201c\u65e0\u56fe\u7247\u201d\u53ef\u4ee5\u63d0\u9ad8\u8d44\u6e90\u91cd\u7528\u6027\u3001\u6269\u5c55\u6027\u4e0e\u7ef4\u62a4\u6027\u7684\u53c8\u4e00\u6709\u529b\u4f50\u8bc1\u3002<\/p>\n<p>\u5176\u5b9e\u73b0\u7684\u539f\u7406\u672c\u8d28\u4e0a\u4e0e\u4e0a\u9762\u7684\u53cc\u8fb9\u6846\u6e10\u53d8\u4e00\u81f4\uff0cCSS\u56fe\u5f62\u751f\u6210 + CSS3\u6e10\u53d8\u3002\u867d\u7136\u6309\u94ae\u6700\u540e\u7684\u6548\u679c\u4ee5\u53ca\u597d\u5904\u4e0d\u5c11\uff0c\u4f46\u662f\u6d88\u8017\u7684HTML\u8d44\u6e90\u7a0d\u7a0d\u591a\u4e86\u70b9\uff0c\u4e0d\u8fc7\u6211\u4e2a\u4eba\u611f\u89c9\u5f88OK\u7684\uff0c\u6743\u8861\u6765\u770b\uff0c\u5f0a\u7aef\u5728\u8fd9\u91cc\u6709\u6ca7\u6d77\u4e00\u7c9f\u4e4b\u611f\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;span class=\"pubtn\">\n    &lt;i class=\"btn_l1\">&lt;\/i>&lt;a href=\"javascript:\" class=\"pubtn_in\">&lt;span class=\"pubtn_bg\">\u6253\u5370\u672c\u9875&lt;\/span>&lt;\/a>&lt;i class=\"btn_l2\">&lt;\/i>\n&lt;\/span><\/pre>\n<\/div>\n<p>\u76f8\u5173CSS\u4ee3\u7801\u8fd8\u6bd4\u8f83\u957f\uff0c\u4e3a\u4e86\u907f\u5f00\u5237\u5c4f\u6491\u7bc7\u5e45\u7684\u5acc\u7591\uff0c\u8fd9\u91cc\u5c31\u4e0d\u5c55\u793a\u4e86\uff0c\u60a8\u53ef\u4ee5\u7528\u5c0fbug\uff0c\u6216\u662f\u76f4\u63a5\u67e5\u770b\u9875\u9762\u6e90\u4ee3\u7801\u67e5\u770b\u76f8\u5173\u7684CSS\u4ee3\u7801\u3002<\/p>\n<h3>\u56db\u3001\u6bd4\u8f83\u91cd\u8981\u7684\u7ed3\u8bed<\/h3>\n<p><strong>\u610f\u8bc6\u6bd4\u6280\u672f\u672c\u8eab\u66f4\u91cd\u8981\u3002<\/strong>\u672c\u6587demo\u9875\u9762\u7684\u51e0\u4e2a\u6548\u679c\u7eaf\u7cb9\u662f\u629b\u7816\u5f15\u7389\uff0c\u76ee\u7684\u5728\u4e8e\u5e0c\u671b\u8ba9\u5927\u5bb6\u6709\u201c\u65e0\u56fe\u7247\u201d\u7684\u610f\u8bc6\u3002web\u9875\u9762\u5343\u5947\u767e\u602a\uff0c\u4f30\u8ba1\u4e0d\u592a\u5bb9\u5668\u4f1a\u51fa\u73b0\u7c7b\u4f3c\u672c\u6587demo\u9875\u9762\u7684\u6548\u679c\u3002\u8981\u77e5\u9053\uff0c\u4e0d\u540c\u7684\u9875\u9762\u6837\u5b50\u4e0d\u540c\u7684\u6280\u672f\u5b9e\u73b0\uff0c\u5982\u679c\u60a8\u53ea\u662f\u7eaf\u7cb9\u7684\u8bb0\u4f4f\u6280\u672f\u672c\u8eab\uff0c\u9047\u5230\u5176\u4ed6\u4e0d\u540c\u7684\u8bbe\u8ba1\uff0c\u4f30\u8ba1\u53c8\u56de\u5230\u539f\u6765\u81ea\u5df1\u7684\u90a3\u6761\u6b7b\u8def\u4e0a\u4e86\u3002\u663e\u7136\uff0c\u91cd\u8981\u7684\u662f\u8bb0\u4f4f\u201c\u65e0\u56fe\u7247\u201d\u7684\u610f\u8bc6\uff0c\u65e0\u8bba\u62ff\u5230\u4ec0\u4e48\u6837\u7684\u8bbe\u8ba1\uff0c\u7b2c\u4e00\u53cd\u5e94\u5e94\u8be5\u662f\uff1a\u201c\u5982\u679c\u4e0d\u7528\u56fe\u7247\uff0c\u8fd9\u91cc\u53ef\u4ee5\u600e\u6837\u5b9e\u73b0\uff0c\u6210\u672c\u591a\u9ad8\uff0c\u53ef\u884c\u6027\u591a\u9ad8\u201d\uff1b\u800c\u4e0d\u662f\u5fd9\u7740\u6253\u5f00photoshop\uff0c\u6709\u6761\u4e0d\u7d0a\u5730\u89c4\u5212\u81ea\u4ee5\u4e3a\u662f\u7684CSS 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