mntiwana wrote: Do you means grey lines ? dear users always try to explain the query/request the way,it is well picked/understood in first step,for to save time and immediate response.

dear Mr.Mntiwana...

Please excuse my poor English, that is not my main language ... Yes, my point was whether it could add the option to reducing the width "dimgray" line, also add the option to show/not outer level cross.
 Maybe this can help me explain my point to you