> If you're on a Mac, you can find the theme files at `/Library/Application Support/Mailspring/packages`. To get there quickly, use the key command <kbd>Cmd</kbd> + <kbd>Shift</kbd> + <kbd>G</kbd> and enter `/Library/Application Support/Mailspring/packages`.
> Open the `ui-variables.less` file. To change colors, just comment out the default `@sidebar` and `@accent` variables and uncomment another theme or simply replace with your own colors.
If you have questions or suggestions, please submit an issue. If you need to, you can email me at [jamie@jamiewilson.io](mailto:jamie@jamiewilson?subject=Re: Darkside).