style: Change form focus ring colour to green
style: Change form focus ring colour to green

Fixes #116.

MjAbuz/foundation,MjAbuz/foundation,okfn/foundation,okfn/website,okfn/foundation,okfn/foundation,MjAbuz/foundation,okfn/website,okfn/foundation,okfn/website,MjAbuz/foundation,okfn/website