@charset "utf-8";
.fondo {
	background-image: url(../images/fondo.jpg);
	background-repeat: repeat;
	background-position: center center;
}
.tercio {
	width:30%;
	float:left;
	text-align:center;
	vertical-align:middle;
	padding:2px;
	height: 180px;
	margin:1%;
	}
	
.tercio2 {
	width:30%;
	float:left;
	text-align:center;
	vertical-align:middle;
	padding:3px;
	margin:1%;
	}

.uy{
	background-attachment:scroll;
	background-image: url(../images/u.jpg);
	background-position: left top;
	}
	
.ar{
	background-attachment:scroll;
	background-image: url(../images/a.jpg);
	background-position: center center;
	}
	
.us{
	background-attachment:scroll;
	background-image: url(../images/us.jpg);
	background-position: left top;
	}
.logo {
	max-width:100%;
	min-width:180px;}
	}


@media screen and (max-width: 720px) {
	
.tercio {
	width:93%;
	min-width:270px;
	float:none;
	margin-left:auto;
	margin-right:auto;
	}	
	
.tercio2 {
	width:93%;
	min-width:270px;
	float:none;
	margin-left:auto;
	margin-right:auto;
	}

.ar {
	width:100%;
	min-width:270px;
	float:none;
	}	

.uy {
	width:100%;
	min-width:270px;
	float:none;
	}	
.us {
	width:100%;
	min-width:270px;
	float:none;
	}