2 Replies
Ron Parungao

Hi Bess,

 Thank you for contacting us!

When you initially create a new project, the actual area of your course (the slide stage) defaults to 720 pixels wide and 540 pixels high.

To assist you know what to do, It might help to determine first the primary size screen you want to design for - Mobile, Laptop/Desktop, and Tablet.  

You can get a more granular information about Story size on this thread

Please let me know if you require further assistance on this.