Examine source code of Pumpkin Head

{
  "theme": {
    "images": {
      "theme_frame": "PumpkinHeadHeader.JPG"
    },
    "colors": {
      "frame": "#210505",
      "tab_background_text": "#210505"
    }
  },
  "version": "2.0",
  "name": "Pumpkin Head",
  "manifest_version": 2,
  "description": "My Pumpkin Candy Dish"
}