body {
    background: url('/s/Penguins.jpg') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

#leftColumn {
    width: 250px;
    padding-top: 5px;
}

#centerColumn {
    padding-top: 5px;
}

#rightColumn {
    width: 250px;
    padding-top: 5px;
}