初学css,请教css中的定位问题?试了一天也没有达到自己要得效果,郁闷!!!!!!!!!!!!!!!
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<!-- saved from url=(0049)http://www.cbinews.com/epaper/2004-24/2004-24.htm -->
<HTML
xmlns="http://www.w3.org/1999/xhtml"><HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<STYLE>
BODY {
MARGIN-TOP: 0px; MARGIN-LEFT: 0px;
FONT-SIZE:12px;COLOR:#666666;
LINE-HEIGHT:110%;
}
A:link {COLOR: #666666; TEXT-DECORATION: none}
A:visited {COLOR: #004056; TEXT-DECORATION: none}
A:active {COLOR: #004056; TEXT-DECORATION: none}
A:hover {COLOR: #000000; TEXT-DECORATION: none}
#top{
width:610px;
margin-top:0;margin-left:0;
background-color:#dfdfdf;
height:18px;
padding-left:555px;
}
#bottom{
margin-top=0;margin-left:0;
background-color:#f5f5f5;
}
#bottom left{width:250;
margin:0;
padding:0;
}
#bottom middle{position:absolute;
left:260px;
width:250;
margin:0;
padding:0;
}
#bottom right{position:absolute;
left:530px;
width:250;
margin:0;
padding:0;
}
#bottom ul{
margin:0;
padding:0;
border:medium none;
line-height:normal;
list-style-type:none;
}
#bottom li{
border-top:#FFF 10px solid;margin:0;
}
</STYLE>
</HEAD>
<BODY>
<div id=top>
<FORM class=style19 style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" name=theform action=http://www.cbinews.com/inc/search.jsp method=post target=_black>
<INPUT size=10 value=输入检索信息 name=search height="18">
<SELECT name=searchType>
<OPTION value=keyWord selected>关键字</OPTION>
<OPTION value=articleBody>文章全文</OPTION>
<OPTION value=author>文章作者</OPTION>
<OPTION value=articleTitle>文章标题</OPTION>
</SELECT>
<INPUT style="FONT-SIZE: 9pt" type=submit value="搜 索" name=B1 height="18">
</FORM>
</div>
<div id=bottom>
<div class="left">
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</div>
</div>
<HR align=left width=796 SIZE=1>
</BODY></HTML>
主要是#bottom中的左右中不管怎么写都没有反映。大伙帮忙看看什么地方出错了!!
我要的效果就是http://www.cbinews.com/epaper/2004-28/2004-28.htm一样。