body {
    font-family: Arial, sans-serif;
    background-color: #001940 !important;
    margin: 0;
    padding: 0;
    transition: background-color 0.5s ease; 
  }
  
  body.game-over {
    background-color: red !important; 
  }
  
  
  .game-board {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    max-width: 300px;
    margin: 50px auto;
  }
  
  .color-btn {
    width: 100%;
    height: 150px;
    border-radius: 10px;
    opacity: 0.8;
    transition: opacity 0.2s, transform 0.2s;
    border: 4px solid black;
  }
  
  .color-btn.active {
    opacity: 1;
    transform: scale(1.1);
  }
  
  h1, h3 {
  color: #FFD700 !important; 
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5); 
}