Examine source code of Multitool.org Lite

{
  "theme": {
    "images": {
      "theme_frame": "mto-header-lite.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffcc00"
    }
  },
  "version": "2.0",
  "name": "Multitool.org Lite",
  "manifest_version": 2,
  "description": "A light theme for <a href=\"https://outgoing.prod.mozaws.net/v1/cf46307f812e37c7a26ccdb144fd25a10fd05604a68d3ba497b5832f0f3545ea/http%3A//Multitool.org\" rel=\"nofollow\">Multitool.org</a> lovers to show their appreciation!"
}