ST: Whole page nav fixed and added style fixes as recommended by bruno.

Bruno's fix recommendations: http://i.imgur.com/fEQ7zqG.jpg

Demo page:
- Colour hash is now left aligned
- Button is given 1px additional height

Components:
- in page nav dropdown doesn't overlay the grey line.
- When clicking the three dots, the square div shouldn't contain a border bottom (inpage & whole page nav)
- Added border-top for the whole page nav on the square that contains the three dots.