Symmetry provides balance and aesthetic appeal and proportion provides depth, realistic imagery and definition for the individual parts.
The difference is the approved sanction is to sanction officially to ratify or to confirm or approve can you be to make a profit up to convert to one’s own profit said especially of waste or common band appropriated by the Lord of the Manor while disapprove sanction is to condemn or considered wrong or inappropriate
Besides maybe adding a pop of color somewhere or perhaps some design on the tips of the letters such as a swirl or an arrow, I believe it's good :)