one-light-syntax Bundled One light syntax theme developed for Atom, repurposed for Pulsar pulsar-edit 0 0 1.8.4 MIT GitHub Share Package Link MarkDown Link Iconic MarkDown Link One Light Syntax theme The font used in the screenshot is Fira Mono. There is also a matching UI theme. Install This theme is installed by default with Pulsar and can be activated by going to the Settings > Themes section and selecting it from the Syntax Themes drop-down menu.