Added hide functionality. Added unit tests.
Merge branch 'master' into show-more-persistent
Removed outline from button
Sorting margin top for opened container.
Toggling button classes.
Adding less functionality.
Merge branch 'master' into show-more-persistent
Moving colors to new colour function.
Fixed tests.
Merge branch 'master' into show-more-persistent
Make sure that button is on the next line - mostly for older browsers.
Permanently switch on shorter cache time.

Site performance has remained good, and we get less complaints from editorial...
VALIDATION
Remove outline 0 from button
Making sure that the more/less button is accessible.
Removing accidental tab.
Chaining functions.
Merge branch 'master' of github.com:guardian/frontend
Merge branch 'master' of github.com:guardian/frontend
Merge branch 'master' into show-more-persistent