Examine source code of tea house

{
  "theme": {
    "images": {
      "theme_frame": "headertea.png"
    },
    "colors": {
      "frame": "#4d4c4c",
      "tab_background_text": "#fc6b03"
    }
  },
  "version": "2.0",
  "name": "tea house",
  "manifest_version": 2,
  "description": "Il tema teahouse sbarca su firefox!"
}