html {
    font-size: 10pt;
    font-family:'Roboto', Verdana, Geneva, Arial, Helvetica, sans-serif;
}

body {
    background-color: #333333;
    background-image: url('background.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 100px;
}

body > div {
    margin-left: auto;
    margin-right: auto;
    width: 900px;
}

small {
    font-size: 0.8em;
}

header,
article,
footer {
    background-repeat: no-repeat;
    background-position: center top;
}

article {
    text-align: center;
    padding: 100px 0 100px 0;
}

article > a {
    background-color: #50a4d0;
    padding: 10px 50px 10px 50px;
    color: white;
    text-decoration: none;
    border-radius: 3px;
}

article > a:hover {
    text-decoration: underline;
}

header {
    background-image: url('header.gif');
    min-height: 150px;
}

footer {
    padding-top: 380px;
    background-image: url('device.gif');
    filter: drop-shadow(0 0 30px #000000);
    -webkit-filter: drop-shadow(0 0 30px #000000);
    -moz-filter: drop-shadow(0 0 30px #000000);
    color: white;
    text-align: center;
}

footer > small {
    color: #999999;
}