body {
    margin: 0;
}

#wrapper {
    width: 300px;
    height: 250px;
    background: black;
}

#canvas, #video {
    width: 300px;
    height: 250px;
    float: left;
    position: absolute;
}

#canvas {
    z-index: 10;
}

#video {
    z-index: 9;
}