body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: Arial, sans-serif;
  background-color: #000;
}

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

#game-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#instructions {
  position: absolute;
  bottom: 20px;
  left: 20px;
  color: white;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 15px;
  border-radius: 10px;
  z-index: 100;
}

#instructions h2 {
  margin-top: 0;
}