You only need a small set of modules, depending on your needs. Instead of a monolithic ModernWebSiteLibrary, you piece together what you need. In your two-col

You only need a small set of modules, depending on your needs. Instead of a monolithic ModernWebSiteLibrary, you piece together what you need. In your two-col example, just pick any CSS framework or grid system (Bootstrap, Foundation, Skeleton, YUI Pure, etc...) and you're done.