body {
    background-color: #929292;
}

#background {
    width: 100%; 
    height: 100%; 
    position: fixed; 
    left: 0px; 
    top: 0px; 
    z-index: -1; /* Ensure div tag stays behind content; -999 might work, too. */
}

.stretch {
    width:100%;
}

.down_bar {
    position: fixed;
    left: 45%;
    top: 95%;
}