doc: update link green to match homepage
Updated the link color to match the new green used on the hompage (https://github.com/nodejs/nodejs.org/pull/536). Also fixed a minor color issue with :focus on the title.
cc: @nodejs/website @jrit
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Updated the link color to match the new green used on the hompage (https://github.com/nodejs/nodejs.org/pull/536). Also fixed a minor color issue with :focus on the title.
cc: @nodejs/website @jrit