Examine source code of agp intermedia

{
  "theme": {
    "images": {
      "theme_frame": "agp_Firefoxpersonaforcroping.png"
    },
    "colors": {
      "frame": "#422020",
      "tab_background_text": "#361717"
    }
  },
  "version": "2.0",
  "name": "agp intermedia",
  "manifest_version": 2,
  "description": "agp intermedia logo"
}