Use Markdown styling for new project guidelines

app/views/projects/new.html.haml

@@ -18,6 +18,7 @@
         A project is where you house your files (repository), plan your work (issues), and publish your documentation (wiki), #{link_to 'among other things', help_page_path("user/project/index.md", anchor: "projects-features"), target: '_blank'}.
       %p
         All features are enabled when you create a project, but you can disable the ones you don’t need in the project settings.
+      .md
         = brand_new_project_guidelines
     .col-lg-9.js-toggle-container
       %ul.nav-links.gitlab-tabs{ role: 'tablist' }

changelogs/unreleased/fix-new-project-guidelines-styling.yml

+---
+title: Use Markdown styling for new project guidelines
+merge_request: 15785
+author: Markus Koller
+type: fixed