You have full control over the rich text editor's toolbar functionality. Simply customize what buttons are available, their order in the toolbar and also group them the way you want.
The toolbar's buttons can be customized based on the screen size using the following options:
Buttons can be grouped together by adding separators between them. There are 2 types of separators: Vertical
| and horizontal
-. Separators can be added by passing them to any of the options above.