body {
    font-family: 'TH Sarabun New', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
}

header {
    background-color: #007bff;
    color: white;
    padding: 20px;
    text-align: center;
}

#product-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

#products .product {
    border: 1px solid #ddd;
    padding: 10px;
    width: calc(33.333% - 20px);
}