Examine source code of Moonlight linux

{
  "theme": {
    "images": {
      "theme_frame": "moonlight.png"
    },
    "colors": {
      "frame": "#4a4848",
      "tab_background_text": "#0d1630"
    }
  },
  "version": "2.0",
  "name": "Moonlight linux",
  "manifest_version": 2,
  "description": "Images don't belong to me! Visit:\n<a href=\"https://outgoing.prod.mozaws.net/v1/2ab6502ff1b69234353ae3520508cf31499ab457ad28af876c034bbb938bd326/http%3A//www.go-mono.com/moonlight/\" rel=\"nofollow\">http://www.go-mono.com/moonlight/</a>"
}