Why is there a question mark instead of my task size?

This can happen for one of two reasons:

• You’ve kept the default difficulty levels, and selected unknown difficulty for the task
  
• You’ve set up custom difficulty levels, but entered values that lack a number,
  e.g. easy, regular, hard.
  
  While you can add text descriptions to your Task Difficulty levels in the drop-down menu, only the numerical values will appear on the card fronts.
  Make sure your Task Difficulty levels include a numerical value besides a description: