#snowCanvas {
    background: none;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}
#fireworkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: none;
}