Examine source code of Wispy Lines

{
  "theme": {
    "images": {
      "theme_frame": "GlowingWispyLines.jpg"
    },
    "colors": {
      "frame": "#000",
      "tab_background_text": "#00ffbf"
    }
  },
  "version": "2.0",
  "name": "Wispy Lines",
  "manifest_version": 2,
  "description": "Hype up your browser with my Glowing Wispy Lines!"
}