Best B2B Catalog Software & PIM for Shopify | B2Sell body font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 0; padding: 0; background-color: #f5f8fa; color: #333; line-height: 1.7; header background-color: #1a202c; color: #fff; padding: 40px 20px; text-align: center; header h1 font-size: 30px; ma