.fila {
	width: 100%;
	display: block;
	float: left;
	clear: both;
	margin: 0 auto;
	padding: 10px 0;
}

.contenido {
	width: 96%;
	margin: 0 2%;
	padding: 0;
	float: left;
	display: block;
}

.columna1 {
	width: 44%;
	margin: 0 1%;
	padding: 0 2%;
	float: left;
	display: block;
}

.columna2 {
	width: 44%;
	margin: 0 1%;
	padding: 0 2%;
	float: right;
	display: block;
}

.header {
	width: 100%;
	height: auto;
	margin: 0;
	display: block;
	float: left;
	border-bottom: 0.8em solid #171796;
}

.logouc3m {
	width: 600px;
	height: 60px;
	background: url(img/logo_UC3M.jpg) 0 0 no-repeat;
	text-indent: -9999px;
	margin: 0 0 2% 0;
	display: block;
	float: left;
}

.imagenprincipal {
	width: 96%;
	margin: 0 2%;
	padding: 0;
	float: left;
	display: block;
}

.imgpr {
	width: 100%;
	height: 375px;
	background: url(img/imagen3.jpg) no-repeat;
	background-position: center center;
	background-attachment: fixed
	background-size: cover;
	background-color: #eaeaea;
}

h1 {
	color: #3A3A3A;
	font-size: 1.5em;
	text-transform: uppercase;
	margin: 2% 0 0 2%;
	line-height: 100%;
	font-family: "Futura Pro Medium W05 Regular", 'Calibri', sans-Serif;
}

h2 {
	color: #3a3a3a;
	font-family: Helvetica, Calibri, Arial, sans-serif;
	font-size: 1.1em;
	margin: 0 2px;
}

p, li {
	font-size: 0.8em;
	line-height: 1.5em;
	font-family: "Trebuchet MS", Helvetica, Arial, Sans-serif;
	padding: 0;
	border: 0;
	outline: 0;
	background: transparent;
	font-weight: inherit;
	font-style: inherit;
	vertical-align: baseline;
	white-space: normal;
	text-align: left;
}

.footer {
	width: 100%;
	height: auto;
	margin: 0;
	display: block;
	float: left;
	border-top: 0.8em solid #171796;
}

.logofooter {
	width: 600px;
	height: 60px;
	background: url(img/logo_UC3M.jpg) 0 0 no-repeat;
	text-indent: -9999px;
	margin: 0;
	display: block;
	float: left;
}

@media screen and (max-width: 41.125em) {
	.columna1, .columna2 {
		width: 90%;
	}
	.logouc3m {
	width: 100%;
	height: 30px;
	background: url(img/logo_UC3M_m.jpg) 0 0 no-repeat;
	}	
	.logofooter {
	width: 100%;
	height: 30px;
	background: url(img/logo_UC3M_m.jpg) 0 0 no-repeat;
	}
}