You can customize News Ticker including adding specific Categories according to the preference of the user, Ticker’s Layout and Post Count Number.
To go to the News Ticker setting
- Go to your WordPress dashboard, then to Appearance >> Customize >> Header Settings >> News Ticker.
- In General Tab, Add your Ticker name in Ticker label and add your categories in Ticker Categories.
- You can toggle on or off Post count number for News Ticker
- Similarly, in design tab, you can choose between two options for your layout and choose Label Background Color
- Click on the ‘Publish‘ button to make and save changes.
For more General Guidance follow this link here: News Ticker