Examine source code of SmartTweezers

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ededce",
      "tab_background_text": "#1c0303"
    }
  },
  "version": "2.0",
  "name": "SmartTweezers",
  "manifest_version": 2,
  "description": "Want to give some 'Technology' touch to your Firefox? This theme is specifically designed for the people who are tech savvy and want some tech specific look while browsing. \n\nIf you are a user of this testing and debugging tool, then you may like this theme.\n\nGood luck."
}