Examine source code of Thinkpersona

{
  "theme": {
    "images": {
      "theme_frame": "fresh11.jpg"
    },
    "colors": {
      "frame": "#e0e0e0",
      "tab_background_text": "#545454"
    }
  },
  "version": "2.0",
  "name": "Thinkpersona",
  "manifest_version": 2,
  "description": "Clean for love!"
}