margin-left: -100px;
position: relative;
rightright: -110px;
}
下面再给出一个高度占满全屏的例子：
CSS Code复制内容到剪贴板
<p><!DOCTYPE html>
<html xmlns="<a target="_blank" href="http://www.w3.org/1999/xhtml">http://www.w3.org/1999/xhtml</a>">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
body, html {
margin: 0px;
}
#header {
background: blue;
height: 100px;
width: 100%;
position: relative; /*父div的位置设置成相对的*/
top: 0;
}
#header #h_menu {
position:absolute;
bottombottom:0;
background:yellow;
width:100%;
height:50px;
}
#middle {
