Mollio is a simple set of open source html/css templates, released in 2006 by Daemon Internet Consultants. The aim was to create a set of page templates that use css for layout as well as some sample basic content which has also had some css applied.
A whole range of page layouts.
Complete with a document describing the structure of page elements.
- Fork the Mollio project on GitHub
- Play with Mollio sample templates online
Okay so its a serious blast from the past 
We originally created Mollio less as a design and more as a standard for HTML markup for the various components that make up a web page; titles, teasers, asides, feature boxen and so on. Certainly less ambitious than those UI frameworks that were to come (for example, Bootstrap and Foundation) but at least we were heading in the right direction.
PS. our eternal thanks to designer Pete Ottery for being a Daemonite in the naughties