qTerminal Preferences Visual Issues

I am a beginner in Kali Linux and i have made some modifications like i have changed the theme by going to Appearance To MacOS Light and installed Plank to get a Dock. Also i have changed icons. But the termnal preferences color is weird which you can see in image. I want it to be white as per the theme of terminal. Also, its out of bounds. Means i manually have to resize it to apply changes. See the image and please guide me. I have tried many things by uninstalling plank to changing themes from appearance and qterminal theme but nothing seems to work. See the attached image please.

https://files.fm/u/4gnme4s7