* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    /* font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f4f9;
    text-align: center;
    padding: 50px; */
  }
  
  h1 {
    font-size: 3rem;
    margin-bottom: 30px;
    color: #333;
  }
  
  #game-container {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
  }
  
  .color-btn {
    width: 100px;
    height: 100px;
    border-radius: 10px;
    margin: 10px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s;
  }
  
  #green {
    background-color: green;
  }
  
  #red {
    background-color: red;
  }
  
  #yellow {
    background-color: yellow;
  }
  
  #blue {
    background-color: blue;
  }
  
  .color-btn.active {
    transform: scale(1.1);
  }
  
  #game-status {
    margin-top: 20px;
    font-size: 1.2rem;
    color: #333;
  }
  
  #play-again-btn {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 1.2rem;
    background-color: #4caf50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  #play-again-btn:hover {
    color: black;
  }
  
  #status {
    font-weight: bold;
  }
  
  #level-message {
    font-size: 24px;
    font-weight: bold;
    color: green;
    text-align: center;
    margin-top: 20px;
    opacity: 0; /* Initially hidden */
    transition: opacity 0.5s ease-in-out;
    display: none; /* Make sure it's hidden initially */
  }
  
  #level-message.show {
    opacity: 1; /* Fade in the message */
    display: block; /* Make it visible */
  }
  
  .my-text {
    font-size: 1.5rem;
    margin-top: 20px;
    color: #333;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    display: none;
  }
  .my-text.show {
    opacity: 1;
    display: block;
    transition: opacity 0.5s ease-in-out;
  }