.layer-bkg {width: 100%; height: 100%; position: fixed; overflow: hidden; border: 0px; margin: 0px; padding: 0px; top: 0px; left: 0px; z-index: -99999;}
.layer-bkgsfondo {position: fixed; width: 100%; height: 100%; z-index: -99998;}
.layer-bkg img {min-width: 100%; min-height: 100%; border: 0px;}
.layer-basic {top: 0px; left: 0px; width:100%; /*height:0;*/  position: relative;}
/*.layer-center {width: 1000px; margin: 0 auto; position: relative;}*/

@media (max-device-width: 1024px)  {
 #layer-bkg { display: none;}
 #layer-bkgsfondo { display: none;}
}