body {
            font-family: Builder Sans, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;
            background-color: #f7f7f7;
            margin: 0;
            padding: 0;
            color: #333;
            display: flex;
            justify-content: center;
            padding-top: 60px;
        }

        .container {
            width: 80%;
            max-width: 1200px;
            padding: 20px;
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            font-size: 18px;
            z-index: 1000;
        }

        .header a {
            margin: 0 10px;
            text-decoration: none;
            color: black;
            font-size:18px;
        }

        .header div {
            display: flex;
            text-align: center;
        }

        .message {
            color: #006400;
            margin: 20px 0;
            font-size:19px;
        }

        .catalog {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .item {
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            width: 180px;
            padding: 15px;
        }

        .item img {
            width: 100%;
        }

        .item-name {
            font-weight: bold;
            margin-top: 10px;
        }

        .item-price {
            color: #666;
            font-size: 14px;
            margin: 5px 0;
        }

        .buy-button {
            cursor: pointer;
            font-size: 14px;
            font-weight: bold;
        }
      
        .icon-logo-r {
            background-image: url("/img/icon_2024.png");
            background-repeat: no-repeat;
            background-size: auto auto;
            width: 30px;
            height: 30px;
            display: inline-block;
            vertical-align: middle;
            background-size: 30px 30px;
        }
      
        .dropdown-content {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            background-color: white;
            min-width: 160px;
            box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
            z-index: 1;
            flex-direction: column;
         }

        .dropdown-content a {
            color: black;
            padding: 12px 16px;
            text-decoration: none;
            display: block;
         }

        .dropdown-content a:hover {
            background-color: #ddd;
        }