diff --git a/app/helpers/layout_helper.rb b/app/helpers/layout_helper.rb
index e2db756..0eb9f60 100644
--- a/app/helpers/layout_helper.rb
+++ b/app/helpers/layout_helper.rb
@@ -2,6 +2,7 @@ module LayoutHelper
 
   def body_classes
     # Identify the current controller and action for the CSS:
+    (logged_in? ? " logged-in" : "") +
     " controller-#{controller.controller_name}" +
     " action-#{controller.controller_name}-#{controller.action_name}" +
     " template-#{@layout_template || if profile.blank? then 'default' else profile.layout_template end}" +
diff --git a/test/unit/layout_helper_test.rb b/test/unit/layout_helper_test.rb
new file mode 100644
index 0000000..4eedc67
--- /dev/null
+++ b/test/unit/layout_helper_test.rb
@@ -0,0 +1,17 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class LayoutHelperTest < ActionView::TestCase
+
+  should 'append logged-in class in body when user is logged-in' do
+    expects(:logged_in?).returns(true)
+    expects(:profile).returns(nil).at_least_once
+    assert_includes body_classes.split, 'logged-in'
+  end
+
+  should 'not append logged-in class when user is not logged-in' do
+    expects(:logged_in?).returns(false)
+    expects(:profile).returns(nil).at_least_once
+    assert_not_includes body_classes.split, 'logged-in'
+  end
+
+end
--
libgit2 0.21.2