body {
	background-color: #9c9e9f;
	top: 0px;
	bottom: 0px;
	right: 0px;
	left: 0px;
	margin: 0;
}
#baner {
	position: absolute;
	top: 10px;
	left: 10px;
	width: 900px;
	height: 150px;
	z-index: 2;
}
#pant_est {
	position: absolute;
	top: 210px;
	left: 35px;
	width: 850px;
	height: 355px;
	z-index: 2;
}

#estudio {
	position: absolute;
	width: 180px;
	height: 25px;
	top: 160px;
	left: 10px;
	z-index: 3;
}
#servicios {
	position: absolute;
	width: 180px;
	height: 25px;
	top: 160px;
	left: 190px;
	z-index: 3;
}
#trabajos {
	position: absolute;
	width: 180px;
	height: 25px;
	top: 160px;
	left: 370px;
	z-index: 3;
}
#contacto {
	position: absolute;
	width: 180px;
	height: 25px;
	top: 160px;
	left: 550px;
	z-index: 3;
}
#vacio {
	position: absolute;
	width: 180px;
	height: 25px;
	top: 160px;
	left: 730px;
	z-index: 3;
	background-color: #666666;
	background-image: url(btn_vacio.jpg);
}
.fuera 
	{
	position:absolute;
	left:50%;
	top:50%;
	width:920px;
	height:600px;
	margin-left:-460px;
	margin-top:-300px;
	z-index: 1;
	} 
	
.dentro 
	{
	position:absolute;
	left:50%;
	top:50%;
	width:920px;
	height:600px;
	margin-left:-460px;
	margin-top:-300px;
	z-index: 1;
	}