.back {
    background: url(../images/mainwall/main.png) no-repeat top center, 
	url(../images/logos/1.png) bottom  repeat-x  ;
	}
	
.back2 {
    background: url(../images/mainwall/main.png) no-repeat top center, 
	url(../images/logos/1.png) bottom  repeat-x  ;
	}