Examine source code of Caos Developers & Firefox

{
  "theme": {
    "images": {
      "theme_frame": "topo_firefox_caos.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Caos Developers & Firefox",
  "manifest_version": 2,
  "description": "Persona for use in firefox of Consulting and Analysis Of Solutions (Caos Developers)"
}