为什么我的网页在DW和在浏览器里面的不一样呢?帮我看一下,谢谢
<style type="text/css">
body {
background-color: #CFF;
}
#home{width:800px;
margin:auto;}
#top{ height:100px;
background:#C03;}
#h1{height:59px;}
#h2{height:40px;
background:#06F;}
#tp{float:right; margin-top:14px;}
.banzhu{
font-size:12px;
color:#9D092B;}
#mian{height:200px;
background:#F6F;
margin-top:60px;}
#footer{height:61px;
background:#F9C;
margin-top:20px;}
.ys{font-size:12px; color:#CCC;
text-align:center;}
</style>
</head>
<body>
<div id="home">
<div id="top">
<div id="h1">
<dt><a href="#"><img src="img/tit.gif" /></a><a href="#"><img src="img/titi.gif" /></a></dt>
</div>
<div id="h2">
<dt id="tp"><a href="#"><img src="img/logout.gif" /></a></dt>
</div>
</div>
<div id="mian">
<table width="100%" border="1" cellspacing="0" cellpadding="0">
<tr>
<td width="21%" rowspan="3" align="center"><img src="" alt="" name="name" width="85" height="78" id="name" style="background-color: #009966" /></td>
<td width="79%"><form id="form1" name="form1" method="post" action="">
<label for="textfield"></label>
<input type="text" name="subject" id="subject" size="48" />
</form></td>
</tr>
<tr>
<td height="80"><form id="form2" name="form2" method="post" action="">
<label for="textarea"></label>
<textarea name="textarea" id="textarea" cols="45" rows="5"></textarea>
</form></td>
</tr>
<tr>
<td height="100"><div class="banzhu"><p>版主回复</p></div>
<form id="form3" name="form3" method="post" action="">
<label for="textarea2"></label>
<div class="aa"><textarea name="adminans" id="adminans" cols="45" rows="3"></textarea></div>
</form></td>
</tr>
</table>
</div>
<div id="footer">
<table width="100%" border="1" cellspacing="0" cellpadding="0">
<tr>
<td width="84%" rowspan="2"> </td>
<td width="16%" colspan="4"> </td>
&nbs