body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #1a1a1a;
  font-family: Arial, sans-serif;
}

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

#game-info {
  position: absolute;
  top: 20px;
  left: 20px;
  color: white;
  font-size: 24px;
  z-index: 100;
}

#score,
#level {
  margin-bottom: 10px;
}

#level {
  color: #4caf50;
  font-weight: bold;
}

#game-over {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.9);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  color: white;
  z-index: 100;
  border: 2px solid #4caf50;
}

#game-over.hidden {
  display: none;
}

#game-over h2 {
  color: #ff0000;
  font-size: 32px;
  margin-bottom: 20px;
}

#game-over p {
  font-size: 20px;
  margin: 10px 0;
}

#restart-button {
  background-color: #4caf50;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 20px 2px;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.3s;
}

#restart-button:hover {
  background-color: #45a049;
  transform: scale(1.05);
}