所用到的图片:
<style type="text/css"> body,p,div {margin:0;padding:0;} .Box {margin:10px auto;width:500px;} .R-1-T,.R-1-B {height:6px;position:relative;background-image:url(/do/uploads/allimg/100520/2212570.png);background-repeat:no-repeat;overflow:hidden;} .R-1-T {background-position:-6px 0;margin-bottom:-6px;} .R-1-B {background-position:-6px -6px;margin-top:-6px;} .R-1-T b,.R-1-B b {float:right;background-image:url(/do/uploads/allimg/100520/2212570.png);background-repeat:no-repeat;height:6px;width:6px;text-indent:-9999px;} .R-1-T b {background-position:0 0;} .R-1-B b {background-position:0 -6px;} .R-1-C {border:1px solid #dfdfdf;padding:6px;} </style> <div class="Box"> <p class="R-1-T"><b>圆角底部</b></p> <div class="R-1-C">内容在这里内容在这里内容在这里内容在这里内容在这里内容在这里内容在这里内容在这里内容在这里内容在这里内容在这里内容在这里</div> <p class="R-1-B"><b>圆角底部</b></p> </div>
提示：您可以先修改部分代码再运行