Fix padding around protected branches well

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

@@ -3,7 +3,7 @@
 %p.light Keep stable branches secure and force developers to use Merge Requests
 %hr
 
-.well.append-bottom-20
+.well
   %p Protected branches are designed to
   %ul
     %li prevent pushes from everybody except #{link_to "masters", help_page_path("permissions", "permissions"), class: "vlink"}