diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -196,4 +196,27 @@
     markdown.to_html.html_safe
   end
 
+
+  BOOTSTRAP_FLASH_MSG = {
+    success: 'alert-success',
+    error: 'alert-danger',
+    alert: 'alert-block',
+    notice: 'alert-info'
+  }
+
+  def bootstrap_class_for(flash_type)
+    BOOTSTRAP_FLASH_MSG.fetch(flash_type.to_sym, flash_type.to_s)
+  end
+
+  def flash_messages
+    puts "flahs size = #{flash.count}"
+    flash.each do |msg_type, message|
+      concat(content_tag(:div, message, class: "alert #{bootstrap_class_for(msg_type)} fade in") do 
+              concat content_tag(:button, 'x', class: "close", data: { dismiss: 'alert' })
+              concat message 
+            end)
+    end
+    nil
+  end
+
 end