body
.rood {
	background-image: url(../Images/Left_rood.jpg);
}
.groen {
	background-image: url(../Images/Left_groen.jpg);
}
.blauw {
	background-image: url(../Images/Left_blauw.jpg);
}
.grijs {
	background-image: url(../Images/Left_grijs.jpg);
}