Board Thread:General Discussion/@comment-7557996-20180417233134/@comment-34106721-20180419003439

What i would do to replicate it (ofc it's just a screenshot so i can't tell the basics) is to use a base from a collapsible navbox that is empty instead of having sections and links. I remember seeing a tutorial on how to make one, but i don't remember where it was...

EDIT: I believe it was this.