implement design requirements/fixes - homepage, articles, candidates

...k_uistyleguide/static/images/europarl/logo-full-black.svg

...patterns/molecules/articles/article_timeline_preview.html

...emplates/patterns/molecules/navbar/additional_button.html

...ganisms/articles/europarl/candidate_articles_section.html

...s/patterns/organisms/articles/main_articles_timeline.html

...yleguide/templates/patterns/organisms/faq/faq_answer.html

.../templates/patterns/organisms/header/articles_header.html

...s/patterns/organisms/header/europarl/articles_header.html

...ganisms/header/europarl/simple_header_with_ui_switch.html

...tyleguide/templates/patterns/organisms/layout/navbar.html

...tes/patterns/templates/europarl/article/article_list.html

...eguide/templates/patterns/templates/europarl/faq/faq.html

src/css/organisms/navbar.pcss

src/js/components/CandidatePrimaryBox.vue

src/js/components/FaqSectionHeader.vue

src/js/components/card_program/.CardProgram.vue.kate-swp

src/js/main.js