Unhappy [Q] [HELP]porting other rom's systemui/framework-res to own rom

hey guys I really want to know this, is it possible to port other rom's(compatible with my phone) systemui&framework-res to the current rom I'm using?

There's a particular rom that I really like the theme(framework&syatemui). But that rom is so unstable I just can't afford to use it everytime. So i think that maybe I could just port that rom's theme to my phone? But I dont have any idea how to.

Please guys I really want to know this thing. I'll be grateful if someone could help me with this problem.