Examine source code of Pick it up

{
  "theme": {
    "images": {
      "theme_frame": "check.jpg"
    },
    "colors": {
      "frame": "#f098ac",
      "tab_background_text": "#ed2121"
    }
  },
  "version": "2.0",
  "name": "Pick it up",
  "manifest_version": 2,
  "description": "For all the rudies!"
}