*{
	margin:0px;
	padding:0px;}
html{
	overflow:hidden;
} 

#all{
	width: 1024px;
	height: 1000px;
	position: relative;

}

#contenedor{
	overflow:hidden;
	width:1024px; 
	height:600px; 
	margin-right: auto;
	margin-left: auto;
	position:absolute;
	text-align: center;
}

#col_izq{
	width: 150px;
	height: 600px;
	
	text-align: center;
	float: left;
}

#col_der{
	width: 150px;
	height: 600px;
	
	text-align: center;
	float: right; 
}

#centro{
	width: 723px;
	height: 600px;

	float: left;
	
}

#I_principal {
	width: 713px;
	height: 480px;
	margin: 5px;
	background: url(../img/fondo.png);
}

#I_principal img{
	left: 150px;
	position: absolute;
}


#col_baja{

	width: 713px;
	height: 160px;
	
	margin-left: 5px;
	
}

.marco{
	width:89px; 
	height:68px;
	border: 2px #18adb3 solid;
	
	margin-top: 22px;
	margin-left: auto;
	margin-right: auto;
	border-radius: 10px;
}

.marco_centro{
	width:89px; 
	height:68px;
	border: 2px #18adb3 solid;
	
	margin-top: 22px;
	border-radius: 10px;
	float: left;

	margin:4.3px;

	
}