html {
    height: 100%; 
    width: 100%;	
    overflow: hidden;  
}

body {
    background: url(../web_images/metal.jpg) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    width: 100%;
    height: 100%;
}

div#outer {
    display: table;
    height: 100%;
    width: 100%;
}

div#container {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
}

div#sesion1 {
    text-align: center;
    vertical-align: middle;
    width:80%;
    background-color: grey;
    padding: 2px;
    max-width: 500px;
}

div#sesion2 {
    text-align: center;
    vertical-align: middle;
    width:80%;
    background-color: white;
    padding-top: 60px;
    padding-bottom: 60px;
    max-width: 500px;
}

div#sesion3 {
    text-align: center;
    vertical-align: middle;
    width:80%;
    background-color: white;
    padding-top: 10px;
    padding-bottom: 10px;
    margin-bottom: 25px;
    max-width: 500px;
}

div#sesion4 {
    text-align: center;
    vertical-align: middle;
    width:80%;
    background-color: white;
    padding-top: 30px;

    max-width: 500px;
}

div#leyenda {
    margin-top: 25px;
    text-align: center;
    vertical-align: middle;
    width:90%;
    color: yellow;
    font: arial;
    font-size:18px;
    font-weight: bold;
    max-width: 800px;
}

div#leyenda2 {
    text-align: center;
    background-color: grey;
    vertical-align: middle;
    width:100%;
    color: yellow;
    font: arial;
    font-size:18px;
    font-weight: bold;
    max-width: 700px;
    height: 15px;
}

div#leyenda3 {
    text-align: center;
    background-color: grey;
    vertical-align: middle;
    width:100%;
    color: yellow;
    font: arial;
    font-size:18px;
    font-weight: bold;
    max-width: 500px;
}

div#leyenda4 {
    text-align: center;
    background-color: grey;
    vertical-align: middle;
    width:80%;
    color: yellow;
    font: arial;
    font-size:18px;
    font-weight: bold;
    padding-top: 10px;
    padding-bottom: 10px;
    max-width: 500px;
}

#logo {
    width: 80%;
    max-width: 500px;
}