純CSS實現圓角效果 經測試相容ie,6,7,8 Firefox

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<html> <head> <title>純CSS實現圓角效果</title><style type="text/CSS">  div.RoundedCorner{background: #9bd1fa} b.rtop, b.rbottom{display:block;background: #fff} b.rtop b, b.rbottom b{display:block;height: 1px;overflow: hidden; background: #9bd1fa}b.r1{margin: 0 5px} b.r2{margin: 0 3px} b.r3{margin: 0 2px}b.rtop b.r4, b.rbottom b.r4{margin: 0 1px;height: 2px}</style></head> <body ><div class="RoundedCorner"> <b class="rtop"><b class="r1"></b><b class="r2"></b><b class="r3"></b><b class="r4"></b></b> <br/>無圖片純CSS實現圓角框<br/><br/><b class="rbottom"><b class="r4"></b><b class="r3"></b><b class="r2"></b><b class="r1"></b></b></div><script type='text/javascript'>//<![CDATA[if (document.getElementById('processtime')) document.getElementById('processtime').innerHTML="<span class='runtimedisplay'>Run in 71 ms, 11 Queries, Gzip enabled.</span>";//]]></script></body></html>
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