Examine source code of Earthtao

{
  "theme": {
    "images": {
      "theme_frame": "earthtao.jpg"
    },
    "colors": {
      "frame": "#e8ebc5",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "Earthtao",
  "manifest_version": 2,
  "description": "A glowing tao-wrapped earth on a starfield."
}