* {
    margin: 0;
    padding: 0;
	overflow: hidden;
}

body {
	width: 1200px;
	margin-left: auto;
	margin-right: auto;
}


#div1 {
    background-color: red;
    height: 50px;
	width: 300px;
	float: left;	
}


#div2 {
    background-color: orange;
    height: 50px;
	width: 600px;
	float: left;
}

#div3 {
    background-color: yellow;
    height: 50px;
	width:300px;
	float: left;
}

#div4 {
    background-color: green;
    height: 100px;
	width:1200px;
	float: left;
	text-align:center;
}

#div4 li {
	display: inline-block;
	color: white;
	font-weight: bold;
	border-right: 2px white solid;
	width: 100px;
}

#div5 {
    background-color: pink;
    height: 400px;
	width: 800px;
	float: left;
}

#div6 {
    background-color: gray;
    height: 400px;
	width: 400px;
	float: left
}

#div7 {
    background-color: yellow;
    height: 300px;
	width: 400px;
	float: left
}

#div8 {
    background-color: navy;
    height: 300px;
	width: 400px;
	float: left
}

#div9 {
    background-color: yellow;
    height: 300px;
	width: 400px;
	float: left
}


#div10 {
    background-color: gray;
    height: 50px;
	width: 1200px;
	float: left
}