分享用CSS实现无图片圆角效果

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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＞

＜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＞

＜/body＞
＜/html＞

将上面的代码保存成html格式的文档，用浏览器打开即可看到效果。<script type="text/javascript"><!--google_ad_client = "pub-2947489232296736";/* 728x15, 创建于 08-4-23MSDN */google_ad_slot = "3624277373";google_ad_width = 728;google_ad_height = 15;//--></script><script type="text/javascript"src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>

<script type="text/javascript"><!--google_ad_client = "pub-2947489232296736";/* 160x600, 创建于 08-4-23MSDN */google_ad_slot = "4367022601";google_ad_width = 160;google_ad_height = 600;//--></script><script type="text/javascript"src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>