body {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    background-color: ivory;
}

#game-board {
    background-image: url(../img/city.jpg);
}

/* body {
    margin: 0;
    padding: 0;
    background-color: ivory;
}

#canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid red;
} */