Examine source code of Fancy Pumpkin

{
  "theme": {
    "images": {
      "theme_frame": "FancyPumpkin_HeaderWeb.jpg"
    },
    "colors": {
      "frame": "#4a2e0c",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Fancy Pumpkin",
  "manifest_version": 2,
  "description": "Fancy, ornate pumpkin with striped background"
}