body.in-game {
  overflow: hidden;
}

#root {
  background-color: transparent;
}
#root:not(:empty) {
  width: 100%;
  height: 100%;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  position: fixed;
  z-index: 1000;
  overflow: auto;
}
#root .App {
  position: relative;
  height: 100%;
  bottom: 0;
  top: 0;
}
#root .App .ui-container {
  position: relative;
  height: 100%;
  bottom: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-items: center;
  justify-content: center;
}
#root .App .ui-container .game-view {
  width: 100%;
  height: 100%;
}