UI fixes

district/blocks.py

district/migrations/0220_alter_districthomepage_content.py

...igrations/0221_alter_districthomepage_content_and_more.py

district/migrations/0222_districtsearchpage.py

district/models.py

district/templates/district/district_new_program_page.html

district/templates/district/district_search_page.html

elections/blocks.py

elections/models.py

shared/blocks/main.py

shared/models/main.py

shared/static/styleguide2/main.css

shared/static/styleguide2/pirati-ui.svg

...styleguide2/includes/molecules/program/program_block.html

...anisms/header/elections/simple_header_with_ui_switch.html

.../styleguide2/includes/organisms/header/people_header.html

...cludes/organisms/header/simple_header_with_ui_switch.html

shared/templates/styleguide2/program_page.html

shared/templates/styleguide2/search_page.html