body{background-image:url(imagenes/fondo4.jpg);
    text-decoration:none;
    font-family: Arial;
    }
header { width: 50%; height: 40px; 
}
.pagina {width: 960px; margin: 0 auto 0 auto;}
.contenido {
	background-color:#ffffff;
	margin: 50px 50px 50px 50px;
	color:#0b0b0b;
	padding-bottom:65px;
	text-align:center;
	padding-top:50px;
    border-radius: 70px 70px 70px 70px;} 

.vinculo {text-align:center; list-style:none; text-decoration:none; display:inline; font-size:15px; margin:50px -100px 50px -100px; padding: -10px 50px 50px -10px;}





h4{font-size: 30px; }



header main section nav ul li {list-style-type: none;text-decoration:none;text-align:center}
header main section nav ul li {display: inline;}
header main section nav ul li a {color: #000; text-decoration: none; font-size: 15px;}

header section nav ul {list-style-type: none;text-align:center;}
header section nav ul li {display: inline;}
header section nav ul li a {color: #22574d; text-decoration: none; font-size: 13px;}

  
 
footer {font-size:15px; color: #4e4848;margin: 35px auto auto auto;text-align: center;}