#menu1 {position:absolute; left:0px; top:100px; width:52px; height:52px; z-index:4;}
#menu2 {position:absolute; left:60px; top:100px; width:52px; height:52px; z-index:4;}
#menu3 {position:absolute; left:120px; top:100px; width:52px; height:52px; z-index:4;}
#menu4 {position:absolute; left:180px; top:100px; width:52px; height:52px; z-index:4;}

#menub1 {position:absolute; left:0px; top:160px; width:52px; height:52px; z-index:4;}
#menub2 {position:absolute; left:60px; top:160px; width:52px; height:52px; z-index:4;}
#menub3 {position:absolute; left:120px; top:160px; width:52px; height:52px; z-index:4;}
#menub4 {position:absolute; left:180px; top:160px; width:52px; height:52px; z-index:4;}

#menuc1 {position:absolute; left:0px; top:220px; width:52px; height:52px; z-index:4;}
#menuc2 {position:absolute; left:60px; top:220px; width:52px; height:52px; z-index:4;}
#menuc3 {position:absolute; left:120px; top:220px; width:52px; height:52px; z-index:4;}
#menuc4 {position:absolute; left:180px; top:220px; width:52px; height:52px; z-index:4;}