Fix incorrect width on search input field
Fix incorrect width on search input field

Field inherited font size from body so overwrote that on the parent.

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