body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background: #f0f4f8;
    color: #333;
    text-align: center;
  }
  
  header {
    background-color: #0077cc;
    color: white;
    padding: 20px 10px;
    border-bottom: 4px solid #005fa3;
  }
  
  
  h1 {
    margin: 0;
    font-size: 2.5rem;
  }
  
  #activity-section {
    margin: 30px auto;
    max-width: 700px;
    padding: 20px;
  }
  
  .activity-buttons button {
    margin: 10px;
    padding: 15px 25px;
    font-size: 16px;
    border: none;
    background-color: #00aaff;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
  }
  .activity-buttons button:hover {
    background-color: #0088cc;
  }
  
  #timer-display {
    margin: 20px;
    font-size: 2rem;
    font-weight: bold;
  }
  
  #stop-btn {
    background-color: red;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }
  
  footer {
    margin-top: 50px;
    padding: 10px;
    font-size: 14px;
    background: #e0e0e0;
  }

  #live-clock {
    font-family: 'Segoe UI', sans-serif;
    font-size: 2em;
    color: #333;
    background: #f0f0f0;
    padding: 10px 20px;
    border-radius: 8px;
    display: inline-block;
  }

  /* Add this to your styles/style.css */

.nav-link {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 15px;
    background-color: #3498db; /* A nice blue */
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: #2980b9; /* Darker blue on hover */
}