边框阴影,背景图,内外层div两种实现方法一种是利用内外层的div边框来实例层次感觉的css边框阴影效果，另一种是利用了背景图片再加内外div来实现的这种效果更漂亮。
简单一点的纯css
<head> <metahttp-equiv="content-type"content="text/html;charset=gb2312"/> <title>cssdiv边框阴影</title> <styletype="text/css"> body{padding:200px;} div{border-width:1px;border-style:solid;padding:1px;} .a{background-color:#f3f3f3;border-color:#fbfbfb;} .b{background-color:#d8d8d8;border-color:#e8e8e8;} .c{background-color:#fff;border-color:#bbb;height:100px;color：#ff0000;} </style> </head> <body> <divclass="a"> <divclass="b"> <divclass="c">边框为阴影效果</div> </div> </div> </body> </html>
复杂一点的利用图片背景
<!doctypehtmlpublic"-//w3c//dtdxhtml1.0transitional//en""http://www.027eat.com/tr/xhtml1/dtd/xhtml1-transitional.dtd"> <htmlxmlns="http://www.027eat.com/1999/xhtml"> <head> <title>css边框阴影</title> <style> .drops教程hadow2{ float:left; clear:left; background:url(http://www.6a8a.com/uploadfile/2011/0621/20110621015322996.png)no-repeatbottomright!important; background:url(http://www.6a8a.com/uploadfile/2011/0621/20110621015329456.gif)no-repeatbottomright; margin:10px010px10px!important; margin:10px010px5px; width:500px; padding:0px; } .innerbox{ position:relative; bottom:6px; right:6px; border:1pxsolid#999999; padding:4px; margin:0px0px0px0px; } .innerbox{ margin:0px0px-3px0px; margin:0px0px0px0px; } .innerboxp{ font-size:14px; margin:3px; } </style> </head> <body> <divclass="dropshadow2"><divclass="innerbox"><h4>css阴影：</h4><p>这段边框阴影效果怎么样呢？</p></div></div> </body> </html>
边框阴影,背景图,内外层div
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