html {
    background-color: #C4C4C4;
    }
	
body {
    background-color: #EFF1F1;
    }

nav {     
	position: relative;
	background-color: #000000;
	}

ul{
	margin-top: -8px;
    margin-bottom: 0px;
	}
		
.txtmenu {
	position: relative;
    font-family: "Arial";
	font-style:bold;
	font-size: 1.5rem;
	text-decoration: none;
	color: #FFF;
	line-height: 2.5rem;
	padding-right: 1.5rem;
	margin-left: 3rem;
	margin-right: 3rem;
	}	
	
.fotohead{
	position:relative;
	max-width: 100%;
	height:auto;
	}

.lineabase{
	position:relative;
	background:#9DC9FF;
	width: 100%;
	height: 0.5rem;
	top: -0.5rem;
	}
		
.materias{
	position: relative;
	width: 25%;
	float: left;
    font-family: "Arial";
	font-size: 1rem;
	font-style:normal;
	color: #626262;
	line-height: 1rem;
	padding-top: 1rem;
	margin-left: 4rem;
	}
			
.referencias{
	position: absolute;
    font-family: "Arial";
	font-style: italic;
	font-size: 0.8rem;
	color: #000000;
	background-color:#CCC;
	line-height: 1rem;
	padding-top: 0.5rem;
    padding-left: 0.5rem;
    padding-bottom: 0.5rem;
	margin-bottom: 2rem;
	}
		
footer {     
	background-color: #000000;
	margin-top: 35rem;
	}

.personal{
	float: left;
	font-family: "Arial";
    font-size: 1rem;
    line-height: 1rem;
	color:#CCC;
    margin-left: 22%;
    margin-top: -11rem;
	margin-right: 3rem;
    margin-bottom: 0.5rem;
	}
		
.fotomia{
	position:relative;
	height:auto;
	margin-left: 5%;
	margin-top: 1rem;
	}	
	
.legales{
    font-family: "Arial";
	font-size: 0.8rem;
	color: #C1C1C1;
	line-height: 1rem;
	margin-top: 1.5rem;
	margin-left:2rem;
	margin-right:2rem;
	}
	
h1 {
	color: #000000;
    font-family: "Arial";
	font-style: bold;
    font-size: 2rem;
    line-height: 1rem;
	margin-right: 3rem;
	margin-top: 1rem;
	}
	
h2 {
    font-family: "Arial";
	font-size: 1rem;
	color: #9DC9FF;
    font-weight: normal;			
	}
	
h3 {
    font-family: "Arial";
	font-size: 1rem;
	color: #BCBCBC;
    font-weight: normal;
	}
	
h4 {
	color: #CCC;
    font-family: "Arial";
	font-style: bold;
    font-size: 2rem;
    line-height: 0.5rem;
	margin-right: 3rem;
	margin-top: 1rem;
	}

.materiasprop{
	position: relative;
	float: left;
    font-family: "Arial";
	font-size: 1rem;
	color: #626262;
	line-height: 1.3rem;
	padding-top: 1rem;
	margin-left: 4rem;
    margin-right: 4rem;
	}