Examine source code of Darksiders: Horsemans

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#0a0036",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Darksiders: Horsemans",
  "manifest_version": 2,
  "description": "An unofficial Firefox theme based in the Darksiders series.\nUn tema no oficial para Firefox basado en la saga Darksiders"
}