structural html changes for component
getting pieces in the right place across breakpoints
styling and layout of items
styling for tweaks for title
spacing for container description between leftCol and faciaLeftCol
code review changes
adding c- to colour variable
Merge pull request #3869 from guardian/commercial-soulmates-refactor

Commercial soulmates refactor
rename seriesPlaceholder, make onwards singular
Merge remote-tracking branch 'origin/master' into rename-series-component