Tweak the appearance of the social links.
Fix duplication of the header in the styleguide and add real content to the basic paragraph.
Add elements to the article demo page.
Add main container and restrict to designs.
Add welsh placeholder text.
Add SVG images and green background for short pages.
Add color palette to variables.
Add png images for mas logos.
Fix variable name error.
Merge pull request #13 from moneyadviceservice/basic_hp

Tweak styling and structure of the basic homepage.