Font size keyboard shortcut

• Make sure that the paragraph starting with the text ‘FONT SIZE’ is selected.  Press down the Ctrl key and while keeping the Ctrl key pressed down, press the ‘closing square brackets’ key ].  While keeping the Ctrl key pressed down, repeatedly press the ‘closing square brackets’ key.  As you can see, each time you press the ] key, the text gets bigger. 
  
  To make the selected text smaller, use the Ctrl+[ keys.