body {
    background: url("../imagenes/fondo.jpg");
    color: white;
}

header { 
    
    background-color:white;
    color: black;
    opacity: 0.8; 
    text-align: center;
    border-radius: 10px;
    padding: 20px;
    margin:10px;
    font-size: 200%;
    font-variant: small-caps;
    
}

#contenido {
    margin: 40px 50px;
    padding-bottom: 1em;
    text-align: center;
    color: white;
}
#contenido h2 {
    color: white;
    text-transform:uppercase;
    text-align: center;
    opacity: 0.8; 
    border-radius: 20px;
    padding: 30px;
    margin:20px;    
}

#contenido p{
     color: white;
    text-align: center;    
}

footer p{
    text-align:center;
    font-size: 100%;
}

footer 
{   
    background-color: black;
    height: 3em;
    position: fixed ;
    bottom: 10px;
    left:0px;
    right: 10px;
    width: 100%;
}