左右两边高度自适应，右边宽度为浏览器宽度-200px。这个是怎么理解的呀？_html/css

左右两边高度自适应，右边宽度为浏览器宽度-200px。这个是怎么理解的呀？_html/css_WEB-ITnose

WBOY

Release： 2016-06-21 09:28:37

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按照图片那样的排版，但是，但是，错了。求正确写法？先谢谢各位啦~~~
不理解右边的那个宽度是怎么写的？还有不知道错了，是不是右边的宽度计算错误了？

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>初试试题</title><style>body {	margin:0px 0px;	padding:0px 0px;	color:#fff; text-align:center;}#header {	background:#0175ed;	height:120px; line-height:120px;}#header, #footer, #container {    margin: 0px auto;    width: 100%;}#contentWrap {    margin-left: -200px;    float:right;    width: 100%;	background:#86aef7}#content {    margin-left: 200px;}#side {    float:left;    width: 200px;	background:#55a3f3;}#contentWrap,#side{	min-height: 500px;	height: auto !important;	height: 500px;}#footer {    clear: both;	background:#0175ed;	height:50px; line-height:50px;}</style></head><body><div id="container"><div id="header">高度120px</div><div id="main"><div id="contentWrap"><div id="content">右边宽度100%-200px</div></div><div id="side">左边宽度200px</div></div><div id="footer">底部高度50px</div></div></body></html>

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回复讨论(解决方案)

右边宽度100%-200px

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>初试试题</title><style>body { margin:0px 0px; padding:0px 0px; color:#fff; text-align:center;}#header { background:#0175ed; height:120px; line-height:120px;}#header, #footer, #container { margin: 0px auto; width: 100%;}#right,#side{ min-height: 500px; height: auto !important; height: 500px;}#side { float:left; width: 200px; background:#55a3f3;}#right { background:#86aef7}#footer { clear: both; background:#0175ed; height:50px; line-height:50px;}</style></head><body><div id="container"> <div id="header">高度120px</div> <div id="main"> <div id="side">左边宽度200px</div> <div id="right">右边宽度100%-200px</div> </div> <div id="footer">底部高度50px</div></div></body></html>