body {background-image: url(fondo\ avion.jpg);
    font-size: 200%;}

h1 {text-align: center;
    color: red;}

dl {margin: 60px;
    margin-left: 10%;}

dt {margin: 20px;}

P {text-align: center;;
    margin: 60px;}

.logofisi {position: fixed;
            top: 10px;
            right: 10px;
            width: 8%;
            height: 19%;}

.logounap {position: fixed;
            top: 10px;
            left: 10px;
            width: 8%;
            height: 19%;}

a {margin-top: 60%;
    margin: 60px;
    margin-left: 10%;
    margin-top: 60%;}

.avanzar {position: fixed; bottom: 0%; right: 0%;
            width: 5%;
            height: auto;
            margin: 0.5%;}

.fuentes {position: fixed; bottom: 0%; left: 0%;
            width: 5%;
            height: auto;
            margin: 0.5%;}