Updated descriptions

Modified:
-Description text
-Optimized index code + semantics
-CSS (to accomodate the HTML tweaks)
Updated dev with modified descriptions

Modified:
-index.html (descriptions and id on h1 instead of a name="")
-css recompiled
Merge branch 'gh-pages' of https://github.com/Anima-t3d/css-components into Anima-t3d-gh-pages