body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
  }
  
  .game-container {
    border: 2px solid #333;
    position: relative; /* Para que los elementos absolutos se posicionen con respecto a este contenedor */
  }
  
  #gameCanvas {
    background-color: #ddd;
  }
  
  .game-over {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #4caf50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  button:hover {
    background-color: #45a049;
  }