body {
	background-image:url(../img/loesung_13.jpg);
		background-repeat:no-repeat;
	}

#ls2 {
	background-color: #307F6F;
}
#ls3 {
	background-color: #7EDDBE;
	background-image:url(../img/loesung_03.gif);
}
#ls4 {
	background-color: #94F3C3;
	background-image:url(../img/loesung_04.gif);
}

	
	#quadrat{
	background-color:#307F6F;
	}