Examine source code of Kitty emo

{
  "theme": {
    "images": {
      "theme_frame": "1997_L-cute-and-gloomy-Copy.jpg"
    },
    "colors": {
      "frame": "#e80ce1",
      "tab_background_text": "#00f6fa"
    }
  },
  "version": "2.0",
  "name": "Kitty emo",
  "manifest_version": 2,
  "description": "?????"
}