DS-2618 by maikelkoopman: fix regression in new themes

assets/css/badges.css

assets/css/button.css

assets/css/comment.css

assets/css/dropdown.css

assets/css/form-elements.css

assets/css/nav-tabs.css

assets/css/navbar.css

assets/css/page-node.css

assets/css/site-footer.css

assets/css/waves.css

components/00-config/variables/_navbar.scss

components/02-atoms/badges/badges.scss

components/02-atoms/button/button.scss

components/02-atoms/waves/waves.scss

components/03-molecules/dropdown/dropdown.scss

components/03-molecules/form-elements/form-elements.scss

components/03-molecules/navigation/nav-tabs/nav-tabs.scss

components/03-molecules/navigation/navbar/navbar.scss

components/04-organisms/comment/comment.scss

components/04-organisms/site-footer/site-footer.scss