html,
body {
    height: 100%;
    background: url("../img/background.jpg") no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.brand {
    color: white;
    font-family: sans-serif;
    font-size: 350%;
    font-weight: 700;
}

.centered {
    position: absolute;
    top: 85%;
    left: 50%;
    transform: translate(-50%, -50%);
}