fix(district,region): UI spacing and general fixes

district/templates/district/base.html

district/templates/district/blocks/card_link_block.html

...plates/district/blocks/card_link_with_headline_block.html

district/templates/district/blocks/people_group_block.html

district/templates/district/district_article_page.html

district/templates/district/district_articles_page.html

district/templates/district/district_center_page.html

district/templates/district/district_contact_page.html

district/templates/district/district_crossroad_page.html

district/templates/district/district_custom_page.html

district/templates/district/district_election_page.html

district/templates/district/district_home_page.html

district/templates/district/district_people_page.html

district/templates/district/district_person_page.html

district/templates/district/district_tags_page.html

region/templates/region/base.html

region/templates/region/blocks/card_link_block.html

...emplates/region/blocks/card_link_with_headline_block.html

region/templates/region/blocks/people_group_block.html

region/templates/region/region_article_page.html