body {
      background-color: pink; 
      font-family: Arial, sans-serif;
      margin: 0;
      padding: 0;
      text-align: center;
    }

    .project-title {
        color: #0073e6;
        font-size: 32px; 
        font-weight: bold;
        margin-top: 50px; 
        margin-bottom: 40px;
    }
    
    .task-buttons {
        margin: 20px auto 40px; 
    }

    .task-buttons button {
      margin: 0 15px;
      padding: 12px 25px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1rem;
      transition: background-color 0.3s;
      
      background-color: #007bff; 
      color: white; 
    }
    .task-buttons button:hover {
        background-color: #0056b3;
    }

    #demo {
      margin: 30px auto 20px;
      max-width: 900px;
      text-align: center; 
      padding: 15px;
      min-height: 50px;
      white-space: pre-wrap;
      font-size: 1.1rem;
      line-height: 1.5;
      color: #0073e6; 
      font-weight: 500;
    }

    .back-btn {
      display: inline-block;
      margin: 30px auto;
      padding: 12px 25px;
      background: #0073e6;
      color: white;
      font-weight: bold;
      border-radius: 6px;
      text-decoration: none;
      transition: background 0.3s;
    }
    .back-btn:hover {
      background: #005bb5;
    }