<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>23、浮动小实例</title>
<style>
body{
background-color:#f8f9fa;
}
.header{
box-shadow: 7px 7px 10px 0 rgba(76, 110, 245,.1);
text-align: center;
padding: 15px ;
background-color: #fff;
margin:30px;
}
.main_content{
width: 1000px;
height: 400px;
background-color: white;
margin: 20px auto;
}
.footer{
width: 1000px;
height: 120px;
background-color: lightgoldenrodyellow;
margin: 0 auto;
}
.left_content{
width: 750px;
height: 400px;
background-color: orange;
float: left;
margin-right: 20px;
}
.sidebar{
width: 230px;
height: 400px;
background-color: red;
float: right;
}
.part1{
width: 250px;
height: 400px;
float: left;
background-color: #ff4f81;
}
.part2{
width: 250px;
height: 400px;
float: left;
background-color: #bbffcc;
}
.part3{
width: 250px;
height: 400px;
float: left;
background-color: blue;
}
</style>
</head>
<body>
<div class="header">头部</div>
<div class="main_content">
<div class="left_content">
<div class="part1"></div>
<div class="part2"></div>
<div class="part3"></div>
</div>
<div class="sidebar"></div>
</div>
<div class="footer">尾部</div>
</body>
</html>
