Examine source code of timber

{
  "theme": {
    "images": {
      "theme_frame": "header-Timber.jpg"
    },
    "colors": {
      "frame": "#916f3f",
      "tab_background_text": "#ababab"
    }
  },
  "version": "2.0",
  "name": "timber",
  "manifest_version": 2,
  "description": "timber camo"
}