Examine source code of Popsicle Stick

{
  "theme": {
    "images": {
      "theme_frame": "popsicle.jpg"
    },
    "colors": {
      "frame": "#74bfe9",
      "tab_background_text": "#003366"
    }
  },
  "version": "2.0",
  "name": "Popsicle Stick",
  "manifest_version": 2,
  "description": "Melting popsicle, summer fun in the sun"
}