Examine source code of Dark red abstract lines

{
  "theme": {
    "images": {
      "theme_frame": "rect3192.jpg"
    },
    "colors": {
      "frame": "#170909",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dark red abstract lines",
  "manifest_version": 2,
  "description": "This Persona was designed for Firefox 4.0. I hope it shows up well on your computer-screen."
}