css中 ul 无效
ul无效
css
.tesun{ width:475px; height:400px; margin-bottom:3px;display:inline; position:relative; z-index:1;float:left}
.tesun_quyu_bg{width:473px; height:40px; top:350px; left:1px; position:absolute; background-color:#000000; filter:alpha(opacity=60);opacity:0.6; z-index:10;}
.tesun_quyu{width:473px; height:40px; top:350px; left:1px; position:absolute; z-index:20;filter:alpha(opacity=100);opacity:1; line-height:40px; color:#FFFFFF; }
.tesun_quyu span{margin:0px 12px;}
.tesun_quyu ul{ list-style:none; margin:0; padding:0;}
.tesun_quyu li{ list-style:none; margin:0; padding:0; float:left; margin-left:10px; margin-right:10px;}
html
<div class="tesun">
<div class="tesun_quyu_bg"></div>
<div class="tesun_quyu">
<ul><li>1</li></ul>
</div>
</div>
不能显示 ul 内容
<div class="tesun">
<div class="tesun_quyu_bg"></div>
<div class="tesun_quyu">
<span><a href="#" target="_blank">罗湖区</a></span><span> <a href="#" target="_blank">福田区</a></span><span><a href="#" target="_blank"> 龙岗区</a></span><span> <a href="#" target="_blank">宝安区</a></span><span> <a href="#" target="_blank">南山区</a></span><span> <a href="#" target="_blank">盐田区</a></span>
</div>
</div>
可以显示span内容
请问怎样显示出ul内容呢?