时间:2023-10-15加入收藏
<!DOCTYPE html>
<html>
<head>
<title>响应式布局</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div id="content">
<div id="header">头部</div>
<div id="left">左侧</div>
<div id="center">中间</div>
<div id="right">右侧</div>
<div id="footer">底部</div>
</div>
</body>
</html>
*{
margin: 0;
padding: 0;
}
/*适应PC端 宽度大于1000px*/
@media screen and (min-width: 1000px) {
#content{
width: 960px;
margin:0 auto;
}
#header{
width: 100%;
line-height: 100px;
float: left;
background: #333;
color: #fff;
text-align: center;
font-size: 30px;
margin-bottom: 10px;
}
#left{
width: 200px;
line-height: 400px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
margin-right: 10px;
}
#center{
width: 540px;
line-height: 400px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
}
#right{
width: 200px;
line-height: 400px;
text-align: center;
background: #333;
float: right;
font-size: 30px;
color: #fff;
}
#footer{
width: 960px;
height: 200px;
background: #333;
color: #fff;
line-height: 200px;
font-size: 30px;
text-align: center;
float: left;
margin-top: 10px;
}
}
/*适应pad端 宽度在640-1000之间*/
@media screen and (min-width: 640px) and (max-width: 1000px) {
#content{
width: 600px;
margin:0 auto;
}
#header{
width: 100%;
line-height: 100px;
float: left;
background: #333;
color: #fff;
text-align: center;
font-size: 30px;
margin-bottom: 10px;
}
#left{
width: 200px;
line-height: 400px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
margin-right: 10px;
}
#center{
width: 390px;
line-height: 400px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
}
#right{
width: 600px;
line-height: 300px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
margin-top: 10px;
}
#footer{
width: 600px;
height: 200px;
background: #333;
color: #fff;
line-height: 200px;
font-size: 30px;
text-align: center;
float: left;
margin-top: 10px;
}
}
/*适应移动端 宽度小于640*/
@media screen and (max-width: 639px){
#content{
width: 400px;
margin:0 auto;
}
#header{
width: 100%;
line-height: 100px;
float: left;
background: #333;
color: #fff;
text-align: center;
font-size: 30px;
margin-bottom: 10px;
}
#left{
width: 100%;
line-height: 150px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
margin-bottom: 10px;
}
#center{
width: 100%;
line-height: 300px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
}
#right{
width: 100%;
line-height: 150px;
text-align: center;
background: #333;
float: left;
font-size: 30px;
color: #fff;
margin-top: 10px;
}
#footer{
width: 100%;
height: 200px;
background: #333;
color: #fff;
line-height: 200px;
font-size: 30px;
text-align: center;
float: left;
margin-top: 10px;
}
}