Modifying an existing button

Making changes to existing buttons is easy. From the button overview panel, click on any of the button rows. That should open the current button settings.

Modifying the Call Now Button. Click on the button to start editing.
When you hover over and click on a button row, the row will be highlighted.

Change the elements you want to adjust and make sure you click on Save at the bottom of the panel.

To discard the your changes without saving them, simply click the Cancel button to leave the editing process.