Div+Css一个简单圆角效果
<html><head><title>css圆角效果</title><meta http-equiv="content-type" content="text/html; charset=gb2312"><style type="text/css">div.RoundedCorner{background: #78ACFF}b.rtop, b.rbottom{display:block;background: #FFFFFF}b.rtop b, b.rbottom b{display:block;height: 1px;overflow: hidden; background: #78ACFF}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"><!-- top --><b class="rtop"><b class="r1"></b><b class="r2"></b><b class="r3"></b><b class="r4"></b></b><!-- center --><p><center>中间内容(无图片实现圆角框)</center></p><!-- bottom --><b class="rbottom"><b class="r4"></b><b class="r3"></b><b class="r2"></b><b class="r1"></b></b></div></body></html>