Examine source code of Super Fire Flower

{
  "theme": {
    "images": {
      "theme_frame": "FireFlower.JPG"
    },
    "colors": {
      "frame": "#8a1515",
      "tab_background_text": "#8a1515"
    }
  },
  "version": "2.0",
  "name": "Super Fire Flower",
  "manifest_version": 2,
  "description": "No, not the one from super mario bros :P"
}