Examine source code of Native Moon

{
  "theme": {
    "images": {
      "theme_frame": "NativeMoon.jpg"
    },
    "colors": {
      "frame": "#fcf9f9",
      "tab_background_text": "#faf2f2"
    }
  },
  "version": "2.0",
  "name": "Native Moon",
  "manifest_version": 2,
  "description": "Naive American under a full moon.  Layered photo manipulation to create."
}