*{
	position:relative;
	margin:auto;
}
.container{
	width:1000px;
	background-color:grey;
}
/************ Header *************/
.header{
	height:400px;
	background-color:black;
}
.header-top{
	height:100px;
	background-color:yellow;
}
.header-bottom{
	height:300px;
	background-color:pink;
}
/************ main content *************/
.main-content{
	height:700px;
	background-color:blue;
}
.left-side{
	height:700px;
	width:450px;
	float:left;
	background-color:black;
}
.right-side{
	height:700px;
	width:550px;
	background-color:blue;
}
/************ footer *************/
.footer{
	height:200px;
	background-color:red;
}