Examine source code of Viper OS

{
  "theme": {
    "images": {
      "theme_frame": "top2.png"
    },
    "colors": {
      "frame": "#a8a8a8",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Viper OS",
  "manifest_version": 2,
  "description": "Designed to promote Viper OS, a dark, sleek, Linux operating system."
}