body {
    font-family: Arial, sans-serif;
    padding: 20px;
}

h1 {
    color: #333;
}

#product-list, #cart-items {
    display: flex;
    flex-wrap: wrap;
}

.product, .cart-item {
    border: 1px solid #ccc;
    padding: 10px;
    margin: 10px;
    width: 200px;
    text-align: center;
}

button {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

button:hover {
    background-color: #218838;
}