Space Plugin Has Stopped Working On One Page (Directory)

On my website at the spacer plugin has stopped working. It is working on all other pages, as far as I know. I have deactivated and reactivated but it didn’t help. I have contacted the plugin support forum for the plugin, but there has not been any activity for over a year, so I am not expecting to hear from them.

What I’m wondering is if there is a way to code a space (height) of a certain number of pixels without using the plugin.

Example, first category item (Directory) needs 8 px. The second needs 10 and the third one needs 30.

Would appreciate any help. Support Access is extended, as I continue to wait for a response to my other ticket from a few days ago.