#box1 {
	height: 100px;
	color:black;
	background-color:black;
	width:500px;
}
#box2 {
	height: 100px;
	color:red;
	background-color:red;
	width:500px;
}
#box3 {
	height: 100px;
	color:yellow;
	background-color:yellow;
	width:500px;
}