#topmenu {position: fixed; top: 0; right:0; width: 100%; min-height: 50px ; overflow: hidden; z-index: 300; color: white; background-color:rgb(50, 50, 50);}
#topmenu.no_ban {color: white; background-color: rgb(50,50,50); }

#ban {position: relative ; width : 100% ; height:107% ; max-height : 680px ; background-color:rgb(160,160,160) ; pointer-events: none; 
	background-image: url("gambar.php?a=1");  background-position: 50% 50% ; background-repeat: no-repeat; background-attachment: scroll; background-size:cover; }

@media screen and (max-width: 960px ) {
	#topmenu {background-color:transparent; }
	#ban { background-position: 45% 50% ; }
 }