A dark theme for Jetbrains IDEs, which was inspired by pop-n-lock-theme-vscode of Luxcium. The theme offers two schemes of styles. One is close to Luxcium style and the other is a simpler version.
From Jetbrains Marketplace
In your IDE, open File/Settings menu, find out plugins tab. Search for Pop N' Lock, then install and restart. Or you can install from Jetbrains Marketplace.
From Native Jar
Download PopNLock.jar from the release pages to your disk. In your IDE, open File/Settings menu, find out Plugins. Then click Install Plugin from Disk.
More suggested installing details see: Suggested plugins
Whatever.

