Examine source code of Joomla CMS Green

{
  "theme": {
    "images": {
      "theme_frame": "FD_Persona_Firefox5_header.jpg"
    },
    "colors": {
      "frame": "#5aa426",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Joomla CMS Green",
  "manifest_version": 2,
  "description": "Last of the Joomla! CMS series of Personas based on the 4 colors of the logo. Best used on high resolution monitors at 1920 x1080."
}