求HTML大神指教

为什么我写的这个代码DIV后 不能和在一起 而是从上向下排列 希望能指出其中的错误

<html>

<head>
<style type="text/css">
div#container{width:900px}
div#header{background-color:#99bbbb;}
div#lef {height:400px;width:500px;background-color:#ffff99;}
div#righ {height:400px;width:400px;background-color:#ffff99;}
div#footer {background-color:#99bbbb;clear:both;text-align:center;}
h1 {margin-bottom:0;}
h2 {margin-bottom:0;fontsize:25px;}
</style>
</head>

<body>

<div id="container">

<div id="header">
<h1>那些美好 不能忘怀</h1>
</div>

<div id="lef">
<h2>6号美女</h2>
<p>点“嘴”或“手腕”然后?</p>

<img
src="C:\Users\Administrator\Desktop\新建文件夹\50.jpg" width="130" height="150"
border="0" usemap="#50map"
alt="50"
/>
<map name="50map" id="50map">

<area
shape="circle"
coords="59,90,14"
href="\C:\Users\Administrator\Desktop\新建文件夹\1.jpg"
target="_blank"
alt="1" />

<area
shape="circle"
coords ="129,100,15"
href ="\C:\Users\Administrator\Desktop\新建文件夹\4.jpg"
target ="_blank"
alt="4"/>
</map>
<table border="10"
cellpadding="12"
background="\C:\Users\Administrator\Desktop\新建文件夹\100.jpg">
<tr>
<th align="left">美女姓名</th>
<th align="right" colspan="2">电话</th>

</tr>
<tr>
<td align="left">一叶知秋</th>
<td>55555555555</td>
<td>55555555555</td>
<tr>
<td align="left">弄雪</td>
<td>55555555555</td>
<td>55555555555</td>
</tr>
</tr>
</table>
</div>
<div id="righ">
<h2>不好说<h2>
<table border="2"
cellpadding="12" background="\C:\Users\Administrator\Desktop\新建文件夹\100.jpg">
<tr>
<td bgcolor="red">
<p>这里</p>
<p>惊奇</p>
</td>
<td>
<table border="5" cellpadding="5" cellspacing="5" bgcolor="violet">
<tr>
<td>好吧</td>
<td>好吧</td>
</tr>
<tr>
<td>好吧</td>
<td>好吧</td>
</tr>
</table>
</td>
</tr>
<tr>
<td>美图
<ul>
<li>
<a href="C:\Users\Administrator\Desktop\新建文件夹\11.jpg"

target="_blank">1号
</a>
</li>
<li>
<a href="C:\Users\Administrator\Desktop\新建文件夹\50.jpg"
target="_blank">2号
</a>
</li>
<li>
<a href="C:\Users\Administrator\Desktop\新建文件夹\13.jpg"
target="_blank" >3号
</a>
</li>
<li>
<a href="C:\Users\Administrator\Desktop\新建文件夹\14.jpg"
target="_blank">4号
</a>
</li>
</ul>
</td>
<td><h8>没有了<h8></td>
</tr>
</table>
</div>
<div id="footer">以上内容 纯属恶搞 如有雷同 纯属巧合</div>
</div>
</body>
</html>
宽度不对,你改下尺寸
float:left