css圆角效果,IE6, firefox均显示正常
<html><head><title>css圆角效果--网页教学网</title><meta http-equiv="content-type" content="text/html; charset=gb2312"><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>无图片实现圆角框<br><br><b class="rbottom"><b class="r4"></b><b class="r3"></b><b class="r2"></b><b class="r1"></b></b></div></body></html>
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