.card {
            height: 100%;
        }
        .card-diamond {
            border-top: 5px solid #b9f2ff;
        }
        .card-gold {
            border-top: 5px solid #ffd700;
        }
        .card-silver {
            border-top: 5px solid #c0c0c0;
        }
        .card-brown {
            border-top: 5px solid #8b4513;
        }
        .price {
            font-size: 1.8rem;
            font-weight: bold;
            color: #0d6efd;
        }
        .list-group-item {
            border: none;
            padding: 0.5rem 1rem;
        }
        .list-group-item::before {
            content: "•";
            color: #0d6efd;
            font-weight: bold;
            margin-right: 0.5rem;
        }