Examine source code of Geais Bleus

{
  "theme": {
    "images": {
      "theme_frame": "geaibleusheadernoshadow.jpg"
    },
    "colors": {
      "frame": "#d6d2f5",
      "tab_background_text": "#164c72"
    }
  },
  "version": "2.0",
  "name": "Geais Bleus",
  "manifest_version": 2,
  "description": "des mes dessins"
}