Fixing background-size on highlight in home.

In big screens the background was broken.
Modifying the link of DOCUMENTACAO in menu
fixing, again, the bug of scroll when open the sidebar in Mobile.
changing the text of example link.
Changing the name fake of product in examples.
Styling the lists in content.

Kanban #1411946
Changing the name of ls-titles to doc-titles in GRID doc.
Fixing styling of menu in sidebar

When I customising  the style of lists in content, the list of menu
broke.
Formating grid example in Docs.
Merge pull request #710 from diegoeis/reboot

Some fixes