(Also check out my other theme MASCOT for RPCS3)
Created for RPCS3
To install copy "science by fourminute.qss" and "science-background.jpg" to RPCS3\GuiConfigs
Open RPCS3 > Configuration > System > Emulator > UI Stylesheets > Science by fourminute
Click Save
Done!
No copyright material was used to create this theme. Everything was created from scratch, including the atom icon. This was done so the theme may be distributed freely without risk of copyright infringement. Enjoy!