The cart uses a style sheet called module.css for styling specific font styles, sizes and colors in the cart if you wish to override the default portal skin. The style sheets are located in the respective module folders \DesktopModules in the following directories on your server:
• AddressBook module - \DesktopModules\Smith.AddressBook\module.css
• AffiliateTracking module - \DesktopModules\Smith.AffiliateTracking\module.css
• BuyNow module - \DesktopModules\Smith.BuyNow\module.css
• Category module - \DesktopModules\Smith.Category\module.css
• FeaturedProducts module - DesktopModules\Smith.FeaturedProducts\module.css
• ManufacturerMenu module - DesktopModules\Smith.ManufacturerMenu\module.css
• MiniCart module - \DesktopModules\Smith.MiniCart \module.css
• MyAccounts module - \DesktopModules\Smith.MyAccounts\module.css
• ProductDetail module - \DesktopModules\Smith.ProductDetail\module.css
• QuickOrderEntry module - \DesktopModules\Smith.QuickOrderEntry\module.css
• SalesRep module - \DesktopModules\Smith.SalesRep\module.css
• Search module - \DesktopModules\Smith.Search\module.css
• Vendor module - \DesktopModules\Smith.Vendor\module.css
The style sheets are commented which should give you a good indication to what screens and elements in the cart they apply to.