body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px;
}

.product-card {
    background-color: #f7f7f7;
    padding: 20px;
    border: 1px solid #ddd;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.product-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.cart {
    padding: 20px;
}

#cart-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#total-price {
    font-weight: bold;
}