html {
    background: url(imagenes/fondo4.jpg) no-repeat fixed center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}


* {margin: 15px auto 15px auto}
body {background: #6d74a3; width: 70%; font-family: Tahoma;}
header {background: #fbb0b4; width: 100%; height: 50px;}
header h1 {color: #0d1e7a; text-align: center;}
main section h2 {color: #fbb0b4; text-align: center;}

p {text-align: center;}
a {color: #fbb0b4; text-decoration: none;}
ul {color: #0d1e7a; text-decoration: none; font-family: Tahoma; font-size: 15px; display: inline; text-align: center;}
footer {font-size: 10px; text-align:center;}
li {color: #0d1e7a; text-decoration: none; font-family: Tahoma; font-size: 15px;}