ok now i understand. i have your same icons but few apps have black background like yotube and chrome but i think that xiaomi.eu rom have a different icon pack. i'm on 7.3.2 stable china and i have your same icons, are you on xiaomi.eu rom?
Update: i found a tutorial how to fix this problem, u need root, i dont know if i can paste link here, if i can i will share to all