body {
      font-family: sans-serif;
      margin: 0;
      padding: 0;
      background-color: white;
      color: black;
    }

    /* Top Navigation */
    header .top-nav {
      display: flex;
      justify-content: space-around;
      background-color: darkgreen;
      padding: 10px 0;
    }

    header .top-nav .nav-item a {
      text-decoration: none;
      color: white;
      display: flex;
      align-items: center;
    }

    header .top-nav .nav-item .cart-count {
      background-color: darkorange;
      color: white;
      border-radius: 50%;
      padding: 2px 5px;
      font-size: 0.8em;
      margin-right: 5px;
    }

    /* Hero Section */
    .hero {
      text-align: center;
      padding: 20px;
      background-color: #f0f0f0;
    }

    /* Categories Section */
    .categories {
      padding: 20px;
    }

    .categories h2 {
      color: darkgreen;
    }

    .categories .category-list {
      list-style: none;
      padding: 0;
      display: flex;
      justify-content: space-around;
    }

    .categories .category-item {
      text-align: center;
    }

    .categories .category-item img {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      margin-bottom: 5px;
    }

    /* Listings Section */
    .listings {
      padding: 20px;
    }

    .listings h2 {
      color: darkgreen;
    }

    .listings .item-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
    }

    .listings .item {
      border: 1px solid #ddd;
      padding: 10px;
      margin: 10px;
      width: 200px;
      text-align: center;
      background-color: white;
    }

    .listings .item img {
      width: 100px;
      height: 100px;
      margin-bottom: 5px;
    }

    .listings .item .price {
      font-weight: bold;
      display: block;
      margin-top: 5px;
      color: darkorange;
    }

    /* Bottom Navigation */
    footer .bottom-nav {
      display: flex;
      justify-content: space-around;
      background-color: darkgreen;
      position: fixed;
      bottom: 0;
      width: 100%;
      padding: 10px 0;
    }

    footer .bottom-nav .nav-item a {
      text-decoration: none;
      color: white;
      display: flex;
      align-items: center;
    }

    footer .bottom-nav .nav-item .cart-count {
      background-color: darkorange;
      color: white;
      border-radius: 50%;
      padding: 2px 5px;
      font-size: 0.8em;
      margin-right: 5px;
    }