Cobalt 2 Theme for Webstorm and for other JetBrains products (like IntelliJ IDEA, PhpStorm, PyCharm, etc.)
There is also a theme file for Mattermost (https://about.mattermost.com/)
Inspired by https://github.com/wesbos/cobalt2 but with my own touch.
JetBrains - Manually
Webstorm --> Preferences Editor --> Color Scheme --> Settings (Gear-Wheel) --> Import Scheme
and simply import the .icls file.
JetBrains - Plugin Repository
Also available in the official Jetbrains Plugin Repository. Download it from the link or Webstorm --> Preferences --> Plugins --> Browse Repositories --> Search for 'Cobalt 2'
Account Settings --> Display --> Theme --> Paste the content from
cobalt2-mattermost.json into the paste section