border-box之全局问题解析

来源：互联网发布：替代 usleep windows 编辑：程序博客网时间：2024/06/10 23:25

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title></title>
<style>
*{
margin:0;
padding: 0;
}
.wrapper{
width: 960px;
margin-left: auto;
margin-right: auto;
color: #fff;
font-size: 30px;
text-align: center;
}
#header{
height: 100px;
background: #38382e;
margin-bottom: 10px;
border: 10px solid red;
padding: 10px;
width: 100%;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
-o-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;

}
.sidebar{
float: left;
width: 220px;
margin-right: 20px;
margin-bottom: 10px;
height: 300px;
background: #5d33cf;
border: 10px solid red;
padding: 10px;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
-o-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
}
.content{
float: left;
width: 720px;
height: 300px;
background: #c8ca30;
margin-bottom: 10px;
border: 10px solid red;
padding: 10px;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
-o-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
}
#footer{
background: #cc4ad5;
height: 100px;
clear: both;
border: 10px solid red;
padding: 10px;
width: 100%;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
-o-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
}
</style>
</head>
<body>
<div class="wrapper">
<div id="header">页眉</div>
<div class="sidebar">侧边栏</div>
<div class="content">主内容</div>
<div id="footer">页脚</div>
</div>
</body>
</html>

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