<!DOCTYPE html>
<html>
<head>
<title>
</title>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="demo13.css">
</head>
<body>
<div id="container">
<div id="middle">
</div>
<div id="left">
</div>
<div id="right">
</div>
</div>
</body>
</html>
< hr >
-sharpcontainer{
height: 300px;
padding-left: 210px;
padding-right: 110px;
}
-sharpmiddle{
width: 100%;
height: 100%;
background-color: lightskyblue;
/*
*margin-left: 10px;
*margin-right: 10px;
containerpadding210margin
*/
}
-sharpleft{
width: 200px;
height: 100%;
background-color: orange;
position: absolute;
left: 8px;
}
-sharpright{
width: 100px;
height: 100%;
background-color: blue;
position: absolute;
right: 8px;
}
-sharpmiddle,-sharpleft,-sharpright{
float: left;
}
![][1]
