change md to desktop

assets/sass/_theme/_configuration.sass

assets/sass/_theme/blocks/definitions.sass

assets/sass/_theme/blocks/key_figures.sass

assets/sass/_theme/blocks/pages.sass

assets/sass/_theme/design-system/footer.sass

assets/sass/_theme/design-system/header.sass

assets/sass/_theme/design-system/hero.sass

assets/sass/_theme/design-system/layout.sass

assets/sass/_theme/design-system/table.sass

assets/sass/_theme/design-system/table_of_contents.sass

assets/sass/_theme/design-system/typography.sass

assets/sass/_theme/sections/diplomas.sass

assets/sass/_theme/sections/programs.sass