<html lang="ja">
<head>
<meta charset="utf-8">
<title>練習</title>
<style type="text/css">
body{
}
#container{
width:800px;
height:800px;
margin: 0 auto ;
}
#header{
width:800px;
height:200px;
}
#sidebar{
width:200px;
height:400px;
float:100px;
}
#content{
width:600px;
height:400px;
float:right;
position:absolute;
top:208px;
right:275px;
}
#footer{
width:800px;
height:200px;
background-color:#CCC;
float:200px;
}
p{
margin-top:20px;
}
</style>
</head>
<body>
<div id="container">
<div id="header">
</div>
<div id="sidebar">
</div>
<div id="content">
</div>
<div id="footer">
</div>
</body>
</html>
