html/css

HTML CODE:
<html>
<style type="text/css">
</style>
<link href="stylesheet.css" rel="stylesheet" type="text/css" />
</head>

<body>
<div id="container">

<div id="header">
</div>
<div id="main">
</div>

<div id="sidebar">
</div>

</div>
</body>
</html>

CSS CODE:
#container {
	height: 1080px;
	width: 1920px;
}
#header {
	height: 180px;
	width: 1100px;
	margin-right: 410px;
	margin-left: 410px;
}
#main {
	height: 785px;
	width: 910px;
	margin-right: 410px;
	margin-left: 600px;
	margin-top: 10px;
}
#sidebar {
	height: 785px;
	width: 180px;
}