LIB001-416 Geology css and design fixes copied across
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	theme-local/rocks/css/style.css
LIB001-689 - Accessibility changes for links, contrast colours and accessibility link.
Merge pull request #128 from seesmith/master

Accessibility fixes