Add explicit mmargins on footer elements
Add explicit mmargins on footer elements

They currently rely on browser defaults. This explicity sets them for
situtations the browser defaults are changed.

kalleth/static,robinwhittleton/static,tadast/static,kalleth/static,tadast/static,alphagov/static,alphagov/static,robinwhittleton/static,tadast/static,tadast/static,kalleth/static,alphagov/static,robinwhittleton/static,robinwhittleton/static,kalleth/static