>>7366443I didn't installed Manjaro I3. I have downloaded the Manjaro Deepin actually. The I3wm built in with Manjaro is bloated. I would recommend you use a blank config of the I3wm.
If you want to do something like my desktop you just need to set some colors. You can easily do that with those color palettes generator sites. Choose a good theme for your browser and File Manager.
After that you can configure your i3 config file. You can watch this video to get more informations:
https://www.youtube.com/watch?v=j1I63wGcvU4It's an old one but i think it may help you a bit.