DIV+CSS实操一：经管系网页总体模块布局_html/css_WEB-ITnose

标准的网页。我们知道DIV+CSS可以实现网页模块的总体布局，这基本取代了HTML中用table布局，DIV+CSS布局

更加灵活，改写代码方便。

经管系原网页截图：

我先开始做网页的整体模块布局草图：

下面开始编写代码：

第一次HTML代码：

 
 
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/*第一次添加的代码*/* {    margin:0px; 	padding:0px;}body {    padding:0px; 	margin:0px; 	font-size:12px;}#top {	background-image: url(images/head.jpg);	background-repeat: no-repeat;	height: 120px;	width: 998px;	margin-right: auto;	margin-left: auto;}#nav {	background-image: url(images/n_nav_bg.gif);	background-repeat: repeat-x;	height: 37px;	width: 998px;	margin-right: auto;	margin-left: auto;}#adpic {	background-image: url(images/h4.jpg);	background-repeat: no-repeat;	height: 218px;	width: 998px;	margin-right: auto;	margin-left: auto;}#news {	height: 720px;	width: 998px;	margin-right: auto;	margin-left: auto;}#link {	background-image: url(images/n_title_bg.gif);	background-repeat: repeat-x;	height: 40px;	width: 998px;	margin-right: auto;	margin-left: auto;}#copyright {	background-color: #E2E2E2;	height: 80px;	width: 998px;	margin-top: 0px;	margin-right: auto;	margin-left: auto;	border-top-width: 5px;/*设置5像素的上边框*/	border-top-style: solid;	border-top-color: #006042;	margin-bottom: 0px;}#news #news_left {	float: left;	height: 720px;	width: 233px;	margin-right: 5px;}#news #news_mid {	float: left;	height: 720px;	width: 455px;	margin-right: 5px;}#news #news_right {	height: 720px;	width: 300px;	float: left;}#news #news_left #news_left_top {	height: 248px;	width: 233px;	background-color:#FF0000;}#news #news_left #news_left_mid {	height: 240px;	width: 233px;	background-color:#00FF00;}#news #news_left #news_left_bottom {	height: 232px;	width: 233px;	background-color:#0000FF;}#news #news_mid #news_mid_top {	height: 488px;	width: 455px;	background-color:#000000;}#news #news_mid #news_mid_bottom {	height: 232px;	width: 455px;	background-color:#999999;}#news #news_right #news_right_top {	height: 248px;	width: 300px;	background-color:#FFFF00;}#news #news_right #news_right_mid {	height: 240px;	width: 300px;	background-color:#00FFFF;}#news #news_right #news_right_bottom {	height: 232px;	width: 300px;	background-color:#FF00FF;}

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