Examine source code of robo11

{
  "name": "robo11",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "gundam_odaiba-wallpaper-1920x1080.jpg"
    },
    "colors": {
      "frame": "rgba(0, 143, 12, 0.84)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(72, 92, 158, 1)",
      "bookmark_text": "rgba(28, 214, 133, 1)",
      "toolbar_field": "rgba(245, 30, 30, 0.25)",
      "toolbar_field_text": "rgba(171, 179, 20, 1)"
    }
  }
}