Writing Hints Using Perseus Framework

[Binayak]

Dear Khan Academy Exercise Team, 

    Thanks for your support. I have made great progress writing exercise using Perseus framework. I have still have couple of issues related to writing hints and your help is very much appreciated. 

         A) How are you showing the co-ordinates of points when clicking hint

              KA: https://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/coordinate-plane/e/identifying_points_1

              image : http://i.imgur.com/MFcWD7M.png

         B) How are you showing the dotted line when clicking on hints 

             image: http://i.imgur.com/GtDF03r.png

         C) How are you showing the arrows bule arrow on x-Axis and Green Arrow parallel to Y Axis

              image: http://i.imgur.com/aeAdabQ.png

         D) How do you write hint for show me button 

              image: http://i.imgur.com/nTcEoNi.png

         E) How are you writing hints in different colors ? 

              image: http://i.imgur.com/eFqyR67.png     

         F) How are you writing hints with check option
              KA exercise: https://www.khanacademy.org/math/algebra2/alg2-matrices/basic-matrix-operations-alg2/e/matrix_dimensions

              image: http://i.imgur.com/VABltZC.png

Thanks a lot.