Addons:
1) rFov (Black borders) - https://www.wowinterface.com/downloads/info14943-rFov.html
*edit World of Warcraft\_retail_\Interface\AddOns\rFov\rFov.lua
--config values
local mytop = 30
local mybottom = 88
2) XIV bar - https://www.curseforge.com/wow/addons/xiv_databar