html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #111;
  color: #fff;
  font-family: Arial, sans-serif;
}

#game-container {
  width: 100vw;
  height: 100vh;
}

/* Permettre aux coins PNG des overlays HTML de déborder hors du canvas */
#game-container > div {
  overflow: visible !important;
}
.phaser-dom {
  overflow: visible !important;
}