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

/* canvas {
    cursor: grab;
}

canvas.-dragging {
    cursor: grabbing;
}

canvas.-moving {
    cursor: move;
}

canvas.-zoomIn {
    cursor: zoom-in;
} */

#renderCanvas {
    width: 100%;
    height: 100%;
    display: block;
    font-size: 0;
}

#fps {
    position: absolute;
    text-align: center;
    font-size: 24px;
    color: greenyellow;
    top: 15px;
    left: 10px;
    width: 60px;
    height: 20px;
}