#container {position: relative;}
#overlayer_container {position: relative; top: 0px; left: 0px;  width: 997px; height: 1200px; z-index: 99119980;}
#overlayer_container_img {position: absolute; top: 100px; left: 0px; width: 635px; height: 376px; background: url(../img/overlayer.jpg) top left no-repeat; z-index: 1999999;}
#overlayer_chiudi {position: absolute; top: 21px; left: 477px; width: 132px; height: 37px;}


#larghezzaaltezza {width: 997px;}
#main_container {width: 997px; height: 900px;}
#lb_sfondo {position: absolute; left:0; top:0; padding:0; width: 997px; height: 1500px; color: #333333; background: #ffffff; z-index: 9999;}

#lb_prova {z-index: 999999;}
.lb_finestra {position: absolute; margin: 0; top: 34px; left: 160px; width: 635px; height: 376px; color: #333333; text-align: left; z-index: 9999999; }