html,body {
    background-color: #000;
    color: #fff;
    font-family: helvetica, arial, sans-serif;
    margin: 0;
    padding: 0;
    font-size: 12pt;
    overflow: hidden;
}



#canvas {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    z-index: 0;
}

#sky {
    position: absolute;
    left: -480px;
    right: 0;
    top: -225px;
    bottom: 0;
    margin: auto;
    width: 480px;
    height: 95px;
    z-index: -50;
}

#sea {
    position: absolute;
    left: -480px;
    right: 0;
    top: 95px;
    bottom: 0;
    margin: auto;
    width: 480px;
    height: 225px;
    z-index: -50;
}

#sea2 {
    position: absolute;
    left: 0px;
    right: 0;
    top: 95px;
    bottom: 0;
    margin: auto;
    width: 480px;
    height: 225px;
    z-index: -50;
}

#background {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 480px;
    height: 320px;
    z-index: -100;
}

#startScreen {
    position: absolute;
    left: 0px;
    right: 0;
    top: 0px;
    bottom: 0;
    margin: auto;
    width: 480px;
    height: 320px;
    z-index: -50;
    visibility: hidden;
}

#gameOver {
    position: absolute;
    left: 0px;
    right: 0;
    top: -30px;
    bottom: 0;
    margin: auto;
    width: 470px;
    height: 45px;
    z-index: -50;
    visibility: hidden;
}








