Layout Issue in Firefox

I noticed that an element on my website which looks perfectly fine on Chrome looks janky when viewed on Firefox.

I am really not sure what is causing this, can someone give me some insight as to why this is happening and what could be done to fix it? I would really appreciate some help!

Screenshot, on the left is Firefox, on the right is Chrome:

Site Link: https://joza-ink.divhunt.us/builder

The issue is at the top left of the page.