body {
	background-image: url(../img/bg-grey.jpg);
	font-family: titillium-font,Arial,Helvetica,sans-serif;
	color: #353535;
	font-size:12px;
	margin: 0px
}
header nav{
	height: 82px;
	background-color: #04173f;
	text-align: center;
	vertical-align: middle;
	margin: 0px;
}

nav h1{
	position: relative;
	font-family: 'Roboto', sans-serif;
	top: 40%;
	color: #ffffff;

}

.wrapper{
	margin: 15px;
	padding: 15px;
	width: 1000px;
	margin-bottom: 20px;
}
.wrapper nav{
	float: left;
}

.center{	
	top:0;
	left:0;
	right:0;
	bottom:0;
	margin: auto;
	margin-top: 15px;
}
section{
	float: left;
	background-color: #ffffff;
	margin-left: 30px;
	margin-bottom: 80px;
	width: 700px;
}

section h2{	
	width: 500px;
	padding-top: 5px;
	padding-bottom: 5px;
	margin: auto;
	margin-top: 10px;
	background-color: #146eff;
	color: #ffffff;
	height:20px;
	text-align: center;
	
}
#activo {
	background-color: #fff;
}
#activo:hover{
	background-color: #74C4E5;
    color:#fff;
}

.firefoxOs{
	margin-top: 70px;
}
article{
	padding: 20px;
	padding-top: 0px;
	margin: auto;
	background-color: #ffffff;
}

footer{
	position: fixed;
	bottom: 0px;
	height: 50px;
	margin:auto;
	background-color: #1F1F1F;
	text-align: center;
	width: 100%;
	

}
footer p{
	font-family: 'Roboto', sans-serif;
	top: 40%;
	color: #ffffff;

}