CSS Improvements for Vocabulary Front Page

[joelit]

Description of the enhancement

• The footer should be white and it should line up with the main content
• The search bar should be followed by a wide margin
• The search tips are missing
• The search bar background should be white
• The Footer text should line up with the text of the main content
• The page margins should be smaller
• The search bar margins should line up with the main content
• The Skosmos logo should be larger
• The UI elements should line up in the bottom of the layout
• The vocab statistic components should follow the visual spec
• The space between the columns should be wider