Examine source code of marou cremart

{
  "theme": {
    "images": {
      "theme_frame": "forf.jpg"
    },
    "colors": {
      "frame": "#8c310d",
      "tab_background_text": "#6b4302"
    }
  },
  "version": "2.0",
  "name": "marou cremart",
  "manifest_version": 2,
  "description": "terre"
}