Examine source code of chaton rouge

{
  "theme": {
    "images": {
      "theme_frame": "chatonbanner.jpg"
    },
    "colors": {
      "frame": "#bf0d0d",
      "tab_background_text": "#ba1414"
    }
  },
  "version": "2.0",
  "name": "chaton rouge",
  "manifest_version": 2
}