圆角的jquery插件，效果很多，网址

http://jquery.malsup.com/corner/

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还有个手工写的

纯css解决方案的网站地址 http://www.spiffycorners.com/

在如上的页面里面可以选择颜色来生成如下代码：

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<style type="text/css">
.spiffy{display:block}
.spiffy *{
  display:block;
  height:1px;
  overflow:hidden;
  font-size:.01em;
  background:#56E69E}
.spiffy1{
  margin-left:3px;
  margin-right:3px;
  padding-left:1px;
  padding-right:1px;
  border-left:1px solid #b0eecf;
  border-right:1px solid #b0eecf;
  background:#7de9b3}
.spiffy2{
  margin-left:1px;
  margin-right:1px;
  padding-right:1px;
  padding-left:1px;
  border-left:1px solid #e5f3ec;
  border-right:1px solid #e5f3ec;
  background:#74e8ae}
.spiffy3{
  margin-left:1px;
  margin-right:1px;
  border-left:1px solid #74e8ae;
  border-right:1px solid #74e8ae;}
.spiffy4{
  border-left:1px solid #b0eecf;
  border-right:1px solid #b0eecf}
.spiffy5{
  border-left:1px solid #7de9b3;
  border-right:1px solid #7de9b3}
.spiffyfg{
  background:#56E69E}
</style>

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<div>
  <b class="spiffy">
  <b class="spiffy1"><b></b></b>
  <b class="spiffy2"><b></b></b>
  <b class="spiffy3"></b>
  <b class="spiffy4"></b>
  <b class="spiffy5"></b></b>

  <div class="spiffyfg">
    <!-- content goes here -->
  </div>

  <b class="spiffy">
  <b class="spiffy5"></b>
  <b class="spiffy4"></b>
  <b class="spiffy3"></b>
  <b class="spiffy2"><b></b></b>
  <b class="spiffy1"><b></b></b></b>
</div>

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