adding tag template
Ensure opt-in message isn't shown to mobile users
add tag specific styling
remove unneeded 'show more' related classes
Merge pull request #3189 from guardian/tag-news-container

Tag page container
Fix top spacing of top stories titles
Merge pull request #3188 from guardian/opt-in-message

Ensure opt-in message isn't shown to mobile users
Ensure tracking is bound to body
fix test when getting trail count
Merge pull request #3193 from guardian/tag-news-container

Fix tests
Merge pull request #3191 from guardian/fromage-fixes

Fix top spacing of top stories titles
fix combiner tests
Visited state on inverted contrast items
Use same background colour as top story volume 2
Fix spacing between huge story and top story on mobile
Merge pull request #3195 from guardian/fix-visited-state

Fix visited state
adding optiion for collection type
Merge pull request #3196 from guardian/fronts-template-mapping

Add option for collection type
Hairline between stories 2 and 3 goes all the way vertically
Remove small icon in special container video items