Examine source code of Bleu Sauvage

{
  "theme": {
    "images": {
      "theme_frame": "teteeee.png"
    },
    "colors": {
      "frame": "#384882",
      "tab_background_text": "#62d1d9"
    }
  },
  "version": "2.0",
  "name": "Bleu Sauvage",
  "manifest_version": 2,
  "description": "A toi qui aime le bleu sauvage !"
}