Examine source code of sandstorm

{
  "theme": {
    "images": {
      "theme_frame": "sandstormhead.jpg"
    },
    "colors": {
      "frame": "#e0d26b",
      "tab_background_text": "#edf5f4"
    }
  },
  "version": "2.0",
  "name": "sandstorm",
  "manifest_version": 2,
  "description": "Windblown sand"
}