div
{
	border: 2px solid black;
	box-sizing: border-box;
}

.white
{
	height: 600px;
	width: 800px;
	box-shadow: 3px 5px 5px;
}

.green
{
	background-color: limegreen;
	opacity: 0.8;
	height: 200px;
	width: 200px;
	float: left;
}

.blue
{
	background-color: royalblue;
	opacity: 0.8;
	height: 200px;
	width: 200px;
	float: left;
}

.chocolat
{
	background-color: sienna;
	opacity: 0.8;
	height: 200px;
	width: 796px;
	float: left
}

.roof
{
	background-color: lightblue;
	opacity: 0.8;
	height: 200px;
	width: 200px;
	float: right;
}

.yellow
{
	background-color: yellow;
	opacity: 0.8;
	height: 200px;
	width: 200px;
	float: right;
}