More video page tweaks
shorten param
Polish all the thingz
Revert discussion changes
fixing stylesheet calls again
Fix merge conflicts
Merge pull request #5242 from guardian/commercial-testpage-fix2

fixing stylesheet calls again
Fix more merge conflicts
Whitespace
icon size change
Merge pull request #5244 from guardian/video-page-polish

Video page polish
Optimise icon
Document bug
Capitalise CSS property for @kaelig
Merge pull request #5246 from guardian/video-page-polish

Minor tweaks
Remove theguardian.com from sentry whitelist
Fix headline icon on video and audio pages
Merge pull request #5238 from guardian/dfp-shorter-ab-param

Shorten the value of the `ab` DFP param
Fix whitespace issues
Remove :before