Examine source code of Sodapop4u

{
  "theme": {
    "images": {
      "theme_frame": "Persona_firefox2.jpg"
    },
    "colors": {
      "frame": "#f50ed6",
      "tab_background_text": "#f50ed6"
    }
  },
  "version": "2.0",
  "name": "Sodapop4u",
  "manifest_version": 2,
  "description": "Sodapop4u"
}