.feature-card {
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }

  .feature-card h4 {
    color: #007bff;
  }

  .feature-card .btn {
    margin-top: 10px;
  }

  .feature-card img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
  }

  /* Hide additional content initially */
  .extra-content {
    display: none;
    margin-top: 15px;
    color: #555;
  }