To access typography setting Goto cool timeline Pro setting >> Typography settings.

Typography setting options:

• Main Title: To change the style, font of the main title of the story which is visible at the top of every timeline. 
• Story Title: To change the style, font of the story title. 
• Story Title Style: Provides an option to change the font’s case from lowercase to none for all story titles. 
• Story Content: To change the font style, size of the story content.