diff --git a/app/views/problems/index.html.haml b/app/views/problems/index.html.haml
--- a/app/views/problems/index.html.haml
+++ b/app/views/problems/index.html.haml
@@ -5,8 +5,8 @@
   = link_to 'Import problems', {:action => 'import'}, class: 'btn btn-success btn-sm'
   = link_to 'New problem', new_problem_path, class: 'btn btn-success btn-sm'
   = link_to 'Bulk Manage', { action: 'manage'}, class: 'btn btn-info btn-sm'
-  = link_to 'Turn off all problems', {:action => 'turn_all_off'}, class: 'btn btn-default btn-sm'
-  = link_to 'Turn on all problems', {:action => 'turn_all_on'}, class: 'btn btn-default btn-sm'
+  = link_to 'Turn off all problems', {:action => 'turn_all_off'}, class: 'btn btn-secondary btn-sm'
+  = link_to 'Turn on all problems', {:action => 'turn_all_on'}, class: 'btn btn-secondary btn-sm'
 .submitbox
   = form_tag action: 'quick_create', controller: 'problems' do
     %b Quick New: