In arcmap I would always put a black border around my legend, but now that I am using ArcGis Pro, I cant figure out how to do this. Does anyone know if that was taken away or how to do it? Thanks
From Work with a legend—Layouts | ArcGIS Desktop select
Then vote on https://community.esri.com/ideas/13941 !!!!
Thank you very much, and I will definitely be vote.