hey laurent, sry for the late response. quite new to gitter and did not see it. Happy that you saw my fork. Basically i changed a lot. some things might be definitely shareable, as they improve the code basis. Some things are quite subjective. For example i changed how responsive styles are used into their own attribute. By this one can e.g. change how space is distributed / text-align on different resolutions etc.
<div class="grid-6" large="4-right" medium="spaceAround">
I saw that you already refactored your code, maybe it would make sense to align this first to my repo.