Added button css for other devices and more

Added support for pdfs
files implementation

wip
*
Moved a file to /others
Possible translation system.
Revert "Possible translation system."

This reverts commit 7ed2ef9078238325d9b310a68af93bd85c5d280c.
contact page HTML5
Wrong item with wrong link
pt-pt contact page
[PT-PT] added menu to the page
[cosmetic] css