add style for codefrag css class so they are monospace and stand out a bi more
add style for codefrag css class so they are monospace and stand out a bi more

git-svn-id: 308d55f399f3bd9aa0560a10e81a003040006c48@1306103 13f79535-47bb-0310-9956-ffa450edef68

apache/solr,apache/solr,apache/solr,apache/solr,apache/solr