Examine source code of Sandy_Night_Sky

{
  "theme": {
    "images": {
      "theme_frame": "Sandy_Stars.jpg"
    },
    "colors": {
      "frame": "#747475",
      "tab_background_text": "#e1e4f7"
    }
  },
  "version": "2.0",
  "name": "Sandy_Night_Sky",
  "manifest_version": 2,
  "description": "An awesome and unique view of the night sky...  (original base image from a free desktop background site)"
}