Hello Benjamin Ikwuagwu,
Please check now. you are also capable of adjusting the columns field from the screen option
as I image attached,
![2023-12-04-215142](https://i.ibb.co/PTwgSf5/2023-12-04-215142.png)
and for shortcode copy, please click the copy icon, it will make it easy for you to copy the shortcode,
![2023-12-04-215202](https://i.ibb.co/z48RKPm/2023-12-04-215202.png)
please check and let me know
Thank you and regards