#parallax {position:absolute; top:0; left:0; overflow:hidden; width:100%; height:500px; /* margin-top:36px; */ z-index:1;}
#layer1 { background:url(../images/layer1.png) center top repeat; width:1600px; height:1200px; }
#layer2 { background:url(../images/layer2.png) center top repeat; width:1800px; height:1200px; }
#layer3 { background:url(../images/layer3.png) center top repeat; width:2000px; height:1200px; }