The font used in the screenshot is Fira Mono.
There is also a matching UI theme.
This theme is installed by default with Atom and can be activated by going to the Settings > Themes section and selecting it from the Syntax Themes drop-down menu.
My syntax color theme based on Atom One dark syntax theme
The font used in the screenshot is Fira Mono.
There is also a matching UI theme.
This theme is installed by default with Atom and can be activated by going to the Settings > Themes section and selecting it from the Syntax Themes drop-down menu.
My syntax color theme based on Atom One dark syntax theme