body{
	font-family: 'Roboto', sans-serif;
	margin: 0px;
}
#cube{
	float: left;
	background-color: red;
	width: 100%;
	height: 60px;
}
#cube1{
	float: left;
	background-color: grey;
	width: 30%;
	min-height: 1000px;
}
#cube2{
	float: right;
	background-color:grey ;
	width: 30%;
	min-height: 1000px;
}
#cube3{
	float: left;
	background-color: lightgrey;
	width: 40%;
	min-height: 1000px;
}