htmls {
    background-image: url('images/sky_tile.jpg');
    background-repeat: repeat-x;
    background-color: #31e0ff;
}

body {
    background-image: url('images/grass_tile6.jpg');
    background-repeat: repeat-x;

    background-position: bottom;
}

.stop_bg {

    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
}