Examine source code of Firefox_uca

{
  "theme": {
    "images": {
      "theme_frame": "firefox_2.jpg"
    },
    "colors": {
      "frame": "#42e31d",
      "tab_background_text": "#42e31d"
    }
  },
  "version": "2.0",
  "name": "Firefox_uca",
  "manifest_version": 2,
  "description": "Universidad Centroamericana"
}