const Color = require('color');

module.exports.onWindow = browserWindow => browserWindow.setVibrancy('ultra-dark');

module.exports.decorateConfig = config => {
  config.backgroundColor = Color(config.backgroundColor).alpha(0.85).rgb().string();
  return config;
}

@@ -240,16 +240,209 @@
 ring();%0A
+  config.fontFamily = '%22Fira Code%22, Menlo, %22DejaVu Sans Mono%22, %22Lucida Console%22, monospace';%0A  config.termCSS = %60%0A      x-screen x-row %7B%0A          font-variant-ligatures: initial;%0A      %7D%0A  %60;%0A
   return

Add Fira Code to the font stack and enable ligatures