<style type="text/css">
/*屏幕寬度大於900的時候*/
*
{
padding:0px;
margin:0px;
font-family:"微軟雅黑";
}
#header
{
height:100px;
border:solid 1px red;
margin:0px auto;
}
#main
{
margin:10px auto;
height:400px;
}
#footer
{
margin:0px auto;
height:100px;
border:solid 1px red;
}
@media screen and (min-width:900px)
{
#header,#footer
{
width:800px;
}
#main
{
width:800px;
height:400px;;
}
#main-left
{
width:200px;
height:400px;
border:solid 1px red;
float:left;
}
#main-center
{
width:394px;
height:400px;
border:solid 1px red;
float:left;
}
#main-right
{
width:200px;
height:400px;
border:solid 1px red;
float:left;
}
}
@media screen and (min-width:600px) and (max-width:900px)
{
#header,#footer
{
width:600px;
}
#main
{
width:600px;
height:400px;;
}
#main-left
{
width:200px;
height:400px;
border:solid 1px red;
float:left;
}
#main-center
{
width:396px;
height:400px;
border:solid 1px red;
float:left;
}
#main-right
{
display:none;
}
}
@media screen and (max-width:600px)
{
#header,#footer
{
width:300px;
}
#main
{
width:300px;
height:400px;;
}
#main-left
{
display:none;
}
#main-center
{
width:300px;
height:400px;
border:solid 1px red;
}
#main-right
{
display:none;
}
}
</style>
</head>
<body>
<div id="header">頭部</div>
<div id="main">
<div id="main-left">主題-左邊</div>
<div id="main-center">主題-中間</div>
<div id="main-right">主題-右邊</div>
</div>
<div id="footer"></div>
</body>響應式佈局
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