Examine source code of asphalt covering

{
  "theme": {
    "images": {
      "theme_frame": "asphalt_covering_h.jpg"
    },
    "colors": {
      "frame": "#00ff00",
      "tab_background_text": "#ffffcc"
    }
  },
  "version": "2.0",
  "name": "asphalt covering",
  "manifest_version": 2,
  "description": "blurred image of a compacted asphalt covering"
}