The Puerto Rico FMX style has a stylish palette and is very user-friendly, but did you know it looks even better on Linux through FMXLinux, new in Delphi 10.3 Rio?
Getting it is easy. Just install FMX Style - PuertoRico 1.0 from the GetIt Package Manager.
Then use a TStyleBook to implement the Linux version of the Puerto Rico style, found in your Styles folder.
Here are some samples of this beautiful style:
You can even use the Puerto Rico FMX style in your Windows, iOS, Android, and macOS projects. If you are building VCL for Windows, then check out and install VCL Style - PuertoRico 1.0 from the GetIt Package Manager.