Move margin from logo to search bar
Move margin from logo to search bar

Stops logo jumping around when using different versions of the header
kalleth/static,kalleth/static,tadast/static,alphagov/static,tadast/static,robinwhittleton/static,alphagov/static,tadast/static,kalleth/static,kalleth/static,robinwhittleton/static,robinwhittleton/static,tadast/static,alphagov/static,robinwhittleton/static