应用于<li>
在css中设定li的格式
ul.news{
margin:0;
padding:0;
list-style:none;
}
ul.news li{
float:left;
width:48%;
border-top: none #893A19;
border-right: none #893A19;
border-bottom: 1px dotted #893A19;
border-left: none #893A19;
margin-right:5px;
}
调用方法：<ul class="news"><li></li></ul>
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单元格底边虚线
<style type="text/css">
<!-- .1ps_table { border-top: none #FF9900; border-right: none #FF9900; border-bottom: 1px dotted #FF9900; border-left: none #FF9900; }
--> </style>
<table width="500" border="0" cellspacing="0" cellpadding="0">
<tr>
<td class="1ps_table"> </td>
</tr>
</table>
