ie6 ie7 盒子模型规则

<ul>
    <li><span></span><a href="#" target="_blank">无序列表</a></li>
    <li><span></span><a href="#" target="_blank">无序列表</a></li>
</ul>

ul li{
    font-family:"宋体";
    line-height:24px;
    position:relative;
    text-indent:14px;
    width:272px;
    height:24px;
    overflow:hidden;
}
 ul li span{
    width:3px;
    height:3px;
    background:#333;
    font-size:3px;
    position:absolute;
    top:10px;
    left:0;
}