body {
    font-family: 'Poppins', Arial, sans-serif;
    background-color: #f9f9f9;
  }

  .navbar {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  .navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
  }

  .shoe-card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    background: #fff;
  }

  .shoe-card:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  }

  .shoe-card img {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 1px solid #ddd;
  }

  .color-swatch {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 10px;
    cursor: pointer;
    border: 2px solid transparent;
  }

  .color-swatch:hover {
    border-color: #000;
  }

  .shoe-title {
    margin: 10px 0;
    font-weight: 600;
  }

  .price {
    font-size: 1.2rem;
    color: #28a745;
    font-weight: 500;
  }

  .btn-buy {
    margin-top: 10px;
    font-weight: 500;
  }

  footer {
    background-color: #222;
  }