Fix public/projects#index page

app/views/public/projects/index.html.haml

 %h3.page_title
   Projects
-  %small Read-Only Access
+  %small with read-only access
 %hr
 %ul.unstyled
@@ -10,8 +10,7 @@
         %i.icon-share
         = project.name_with_namespace
         .right
-          %span.monospace.tiny
-            git clone #{project.http_url_to_repo}
+          %pre.dark.tiny git clone #{project.http_url_to_repo}
 = paginate @projects, theme: "admin"