A flat theme based upon the now defunct Minimal Theme.
It's like Sublime default theme without gradients and with dark sidebar.
The easiest way is via Package Control
- Open Command Palette located under
Tools > Command Palette…
or by pressing⌘ + ⇧ + P
on macOS orCTRL + ⇧ + P
on Linux | Windows. - Choose
Package Control: Install Package
. - Type
Theme - Minimist
and hit enter.