Examine source code of Saint Patricks Day too

{
  "theme": {
    "images": {
      "theme_frame": "St.PatricksDay.JPG"
    },
    "colors": {
      "frame": "#bee075",
      "tab_background_text": "#7af094"
    }
  },
  "version": "2.0",
  "name": "Saint Patricks Day too",
  "manifest_version": 2,
  "description": "Henry the Rottweiler sporting a nice pair of Guinness slippers to celebrate St. Patrick's Day. Probably the best rottweiler in the world - Sorry! Wrong advert"
}