#testa_dissolvenza { position:relative; width:1024px; height:480px; padding:0px; } .icona_mini { position:absolute; bottom:10px; border:1px solid #FF3355; z-index:30; width:80px; height:35px; left:0px; overflow:hidden; -webkit-box-shadow: 5px 5px 3px #050505; -moz-box-shadow: 5px 5px 3px #050505; box-shadow: 5px 5px 3px #050505; opacity:0.5; padding:0.2em; } .icona_mini:hover{ opacity:1; } #primo_piano { position:absolute; top:0px; left:0px; width:1024px; height:480px; z-index:20; opacyty:1; background-color:rgb(255,255,255); } #secondo_piano { position:absolute; top:0px; left:0px; width:1024px; height:480px; z-index:10; opacity:1; background-color:rgb(255,255,255); }