+ css << ".hidden { display: none !important }"
+ css << ".hide_unless_logged_in { display: none !important }" unless @user
+ css << ".hide_if_logged_in { display: none !important }" if @user
+ css << ".hide_if_user_#{@user.id} { display: none !important }" if @user
+ css << ".show_if_user_#{@user.id} { display: inline !important }" if @user
+ css << ".hide_unless_administrator { display: none !important }" unless @user && @user.administrator?
+ css << ".hide_unless_moderator { display: none !important }" unless @user && @user.moderator?
+
+ content_tag(:style, css, :type => "text/css")