html, body 
{
    height: 100%;
}

body {
    background-color: #000000;
    color: #ffffff;
    font-family: arial, sans-serif;
    margin: 0;
    overflow: hidden;
}

#message {
    width: 100%;
    height: 100%;

    display: -webkit-box;
    display: -moz-box;
    display: box;

    -webkit-box-orient: horizontal;
    -moz-box-orient: horizontal;
    box-orient: horizontal;

    -webkit-box-pack: center;
    -moz-box-pack: center;
    box-pack: center;

    -webkit-box-align: center;
    -moz-box-align: center;
    box-align: center;

    color: #ffffff;
    text-align: center;

}