html,
body {
  margin: 0;
  padding: 0;
  overflow: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #eee;
}

#game-container {
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

/* Add this to ensure iOS Safari behaves correctly */
@supports (-webkit-touch-callout: none) {
  html {
    min-height: -webkit-fill-available;
  }
}