.list{
 margin: 0px 10px 20px;
 text-align: left; 
}

.list ul{
 list-style-type: none;
 margin: 0px;
 padding: 0px;
}

.list li{
 background: url(/news/images/line.gif) repeat-x bottom; 
 /*列表底部的虚线*/
 width: 100%; 
}

.list li a{
 color: #777777;
 display: block;
 padding: 6px 0px 4px 15px;
 background: url(/news/images/dot.gif) no-repeat 0 6px;
 /*列表左边的箭头图片*/
}

.list li span{
 float: right;/*使span元素浮动到右面*/
 text-align: right;/*日期右对齐*/
}

.list li a:hover{
 color: #336699;
 background: url(/news/images/dot2.gif) repeat-x bottom;
}