日期:2014-05-17  浏览次数:20678 次

我为什么ul里面的li不能设置宽度呢
<ul class="head_3_a">
<li><a href="http://www.jxy120.com" class="kjy_a" id="Button11" OnMouseOver="TabMove22(1,1,13)"><span>网站首页</span></a></li>
<li><a href="http://www.jxy120.com/xinwen/2012/0622/188.html" id="Button14" OnMouseOver="TabMove22(1,4,13)"><span>关于我们</span></a></li>  
<!--<li><a href="gxyyp/" id="Button12" OnMouseOver="TabMove22(1,2,13)"><span>高血压用品</span></a></li>-->  
<li><a href="http://www.jxy120.com/yuanyin/" id="Button13" OnMouseOver="TabMove2(1,3,13)"><span>高血压原因</span></a></li>
 
 
<li><a href="http://www.jxy120.com/zhengzhuang/" id="Button15" OnMouseOver="TabMove22(1,5,13)"><span>高血压症状</span></a></li>  
<li><a href="http://www.jxy120.com/weihai/" id="Button16" OnMouseOver="TabMove22(1,6,13)"><span>高血压危害</span></a></li>  
<li><a href="http://www.jxy120.com/fangzhi/" id="Button17" OnMouseOver="TabMove22(1,7,13)"><span>高血压防治</span></a></li>  
<li><a href="http://www.jxy120.com/cgal/" id="Button18" OnMouseOver="TabMove22(1,8,13)"><span>成功案例</span></a></li>  
<li><a href="http://www.jxy120.com/zhishi/" id="Button19" OnMouseOver="TabMove22(1,9,13)"><span>高血压知识</span></a></li>  
<li><a href="http://www.jxy120.com/ask" id="Button110" OnMouseOver="TabMove22(1,10,13)"><span>降压网知道</span></a></li> 
<li><a href="http://www.jxy120.com/swt" id="Button111" OnMouseOver="TabMove22(1,11,13)"><span>和我联系</span></a></li>  
<li><a href="http://www.jxy120.com/xinwen/2012/0622/191.html" id="Button112" OnMouseOver="TabMove22(1,12,13)"><span>购买须知</span></a></li>  
<!--<li class="aa"><a href="zxzt/tljijin/tljijin.html" id="Button113" OnMouseOver="TabMove22(1,13,13)"><span></span></a></li>-->
</ul>


------解决方案--------------------
把css文件贴出来,这样看不出来