Users can add new font family in the drop-down list of the toolbar which is available on their client devices or by importing from the internet.

workaround

• override zss.FontFamilyCombobox._doBtnClick() like the attached file and add the corresponding css class like

  
  .zsfontfamily-bradley-hand .z-comboitem-text {
      font-family: Bradley Hand;
      font-size: 18px;
  }