Initial code style tidy
Fix author images not displaying on homepage using Firefox
Merge branch 'develop' into final-polish-front-end
Hamburger menu consistency across browsers and platforms
Amend sticky functionality on orange arrows to load last in page so that they have a starting top position
Change share bar to use visibility and opacity, rather than display
Code style tidy up
Remove styling that was removing active state on About page
Remove float from share widget to ensure correct alignment with text
Revert "Hamburger menu consistency across browsers and platforms"

This reverts commit 7ca7db67a0b688ff45546325c0740e488d758aa6.
Hamburger back to font icon
Remove fade up animation on main as was causing render issues on Chrome 38 and Chrome on Android
Code style tidy
Adjust image size on team member page
Remove transform3d on team listing page to stop iOS/Safari issues