body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 30px;
    background: #f5f5f5;
  }
  
  #juego {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    display: inline-block;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
  }
  
  button {
    padding: 10px 20px;
    margin: 10px;
    cursor: pointer;
  }
  
  .opcion {
    display: block;
    margin: 10px 0;
    background-color: #eee;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
  }
  
  .opcion:hover {
    background-color: #ddd;
  }
  
  .correcta {
    background-color: #c8e6c9;
  }
  
  .incorrecta {
    background-color: #ffcdd2;
  }
  
  #puntajes {
    margin: 20px auto;
    padding: 10px;
    background: #e0f7fa;
    border-radius: 10px;
    display: inline-block;
    text-align: left;
    font-weight: bold;
  }
  
  #puntajes span {
    display: inline-block;
    margin-right: 15px;
  }