body, html {
    margin: 0;
    padding: 0;
    text-align: center;
    background: #B8CFF2;
}

canvas {
    margin-bottom: -4px;
}


#gameArea {
    position: absolute;
    left:     50%;
    top:      50%;
}

#gameCanvas {
    width: 100%;
    height: 100%;
}

#debug {
    position: absolute;
    border: 1px solid black;
    text-align: left;
    left: 50%;
    width: 200px;
    display: none;
}