Examine source code of I heart Staples

{
  "theme": {
    "images": {
      "theme_frame": "staples_header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "I heart Staples",
  "manifest_version": 2,
  "description": "All Staples, all the time. Now you can live and breathe “easy” while you browse with this bold, red, beautiful Persona."
}