*{
	margin: 0 auto;
	padding: 0;
	font-family: 'Roboto', sans-serif;
}

header{
	background: url('assets/banner.png');
	height: 333px;
	width: 100%;
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
}

header h1{
	text-align: center;
	color: #fff;
	padding-top: 20px; 
}

header img.perfil{
	border-radius: 50%;
	margin: 0 auto;
	display: block;
	width: 200px;
	border: 10px solid #fff;
}

header nav{
	background: #F2F2F2;
	height: 30px;
	text-align: right;
	position: relative;
	top: 30px;
}

header nav ul li{
	display: inline-block;
	padding: 5px 20px;
}

section{
	margin: 50px auto;
}

section h2{
	color: #999;
	text-align: center;
}

section span{
	display: block;
	text-align: center;
}
section div.materia{
	margin: 50px 10px;
	border-radius: 10px;
	padding: 30px;
}

section div ul{
	padding: 10px;
	list-style-type: none;

}
div.materia:hover{
	box-shadow: 10px 10px 39px -3px rgba(0,0,0,0.75);
	border-radius: 10px;
	padding: 30px;
}
.flex{
	display: flex;
}

footer{
	background: #333;
}
footer p{
	color: #fff;
	text-align: center;
	padding: 100px;
	font-weight: 200;
}