html,body,div,canvas {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: Helvetica, Verdana, Arial, sans-serif;
}

.game-wrapper canvas {
    /* position: absolute;
    top: 0; */
    z-index: 9;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    -moz-box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.game-wrapper {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 0;
  }

  .game-wrapper canvas {
    object-fit: contain;
    max-height: 100%;
    max-width: 100%;
  }