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

  html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    user-select: none;
    touch-action: pan-x pan-y;
  }

  body,
  #app {
    width: 100%;
    height: 100%;
    overflow: hidden;
  }