Examine source code of saint & sinner

{
  "theme": {
    "images": {
      "theme_frame": "saintsinner.jpg"
    },
    "colors": {
      "frame": "#030812",
      "tab_background_text": "#d8e4e8"
    }
  },
  "version": "2.0",
  "name": "saint & sinner",
  "manifest_version": 2
}