html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow-y: hidden;
}

#container {
    display: -webkit-flex;
    -webkit-align-items: center;
    width: 100%;
    height: 100%
}

#canvas-layout {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#canvas-content {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
}