Adds missing styles

git-svn-id: https://svn.apache.org/repos/asf/struts/site@1565963 13f79535-47bb-0310-9956-ffa450edef68
Uses Markdown syntax

git-svn-id: https://svn.apache.org/repos/asf/struts/site@1565964 13f79535-47bb-0310-9956-ffa450edef68