From the sidebar:
          Open  (Command+TF11)  - context menu of an outline style - choose  tab.
        
        
          
From the menu bar:
          Open , click on Edit Style -  tab.
          
From the sidebar:
          Open  (Command+TF11)  - context menu of an entry - choose  tab.
          Open  (Command+TF11) , context menu of an entry - choose , click on Edit Style -  tab.