请大神指导 有没写的不对的地方
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<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>3.10新闻中心制作评测题</title>
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width:20px;
height:16px;
text-align:center;
color:#333;
display:inline-block;
font-style:normal;
background:url(http://img1.sycdn.imooc.com//53cf0fa20001d3dc00200032.jpg.num.gif);
background-position:0px 16px;
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a:hover,a:active{
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color:yellow;
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<body>
<div class="topList">
<ul>
<li class="top"><em>01</em>
<p><a href="http://www.imooc.com/" >【慕客访谈用户篇】“有为屌丝”在路上</a></p>
</li>
<li class="top"><em>02</em>
<p><a href="http://www.imooc.com/">【有奖活动】给父亲的三行书信</a></p>
</li>
<li class="top"><em>03</em>
<p><a href="http://www.imooc.com/">《程序猿，请晒出你的童年》活动获奖公告</a></p>
</li>
<li><em>04</em>
<p><a href="http://www.imooc.com/">【慕课访谈】破茧成蝶——美女程序员的蜕变史</a></p>
</li>
<li><em>05</em>
<p><a href="http://www.imooc.com/">【获奖公告】追“球”巅峰，争当“预言帝”</a></p>
</li>
<li><em>06</em>
<p><a href="http://www.imooc.com/">【问卷调查】慕课网用户学习情况大调查</a></p>
</li>
</ul>
</div>
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