Refs #320: remove image shadows, add CSS shadows
Refs #320: remove CSS for old image shadows
Refs #320: enlarge global menu and page content
Refs #320: improvements for 1024px screens
Refs #320: enlarge footer and facebook plugin
Refs #320: more space between Word List letters
Refs #320: remove images for shadows with their folder
Merge pull request #348 from sandriu/master

Refs #320: enlarge menu and page content, with adjustments