<html>
<head>
<title>盒子模型简单的布局</title>
<meta charset="UTF-8"/>
<style type="text/css">
/*设置div的基础样式*/
div{
width: 300px;
height: 300px;
}
/*设置header和footer的样式*/
#header,#footer{
width: 650px;
margin: auto;
margin-top: 20px;
}
/*设置子div的样式*/
#div01{
border: solid 1px orange;
float: left;
margin-right: 20px;
}
#div02{
border: solid 1px blueviolet;
float: left;
}
#div03{
border: solid 1px #4791FF;
float: left;
margin-right: 20px;
}
#div04{
border: solid 1px coral;
float: left;
}
</style>
</head>
<body>
<div id="header">
<div id="div01">
我是div01
</div>
<div id="div02">
我是div02
</div>
</div>
<div id="footer">
<div id="div03">
我是div03
</div>
<div id="div04">
我是div04
</div>
</div>
</body>
</html>
