You will find this options while adding/editing Category in backend.

You will be able to setup following options :

• Enable/Disable custom teaser (currently only offered with image left and content right layout).
• Teaser Image
• Tease Coutner – if selected shown under image
• Content – You can also add HTML content here.
• content text color
• add button text if you want to have a button in teaser
• button effect – select button effect.
• Button effect color – hover overlay color for button
• button link – link to any internal or external page from button
• link target – open link in same or new window.
• button background color
• button fonts color
• description in page bottom – select this field if you want to show the category default description in bottom of the page.