Examine source code of Frenchmozilla

{
  "theme": {
    "images": {
      "theme_frame": "Frenchmozila_header.jpg"
    },
    "colors": {
      "frame": "#7a9fcb",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Frenchmozilla",
  "manifest_version": 2,
  "description": "Frenchmozilla's logo (french l10n team).\nIt was drawn by Bruno Bellamy (french comic drawer) who kindly offered it to our team."
}