make default $browser-supports-columns overwriteable
make $browser-supports-columns false by default if it's $old-ie
add a rudimentary fallback for css columns
restyle colophon links
update colphon links
update test to reflect case change in colophon links
make columns mixin a little more resilient
account for columns mixin change
pass relevent query strings
adjust padding
add securedrop/all topics links
show desktop site link on mobile in footer
styling for swapping of content
Optimise SVG icons, update clock hands and show-all-comments to new icon style
Remove (very) old gallery icon, update deprecated fragment to use new icon
Add content type for tag combiners
Use 'Index' for tag combiner pages content type
Use Scala const style for Guardian content type constants
fire resize when gallery lightbox closes
Update metadata to use JsValue