*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#canvas1{
    background: url('images/background.png');
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#overlay{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

#obstacles, #bull, #egg, #toad, #larva{
    display: none;
}