Revert "set bubble button margin top 0"
Revert "set bubble button margin top 0"

This reverts commit a75334df57733fe5720804290fb55de3196a36e0.

Electromau5/jquery-notebook,raphaelcruzeiro/jquery-notebook,shiyamkumar/jquery-notebook,Electromau5/jquery-notebook,andrews05/jquery-notebook,andrews05/jquery-notebook,shiyamkumar/jquery-notebook,raphaelcruzeiro/jquery-notebook