Examine source code of Just a Red Fox

{
  "theme": {
    "images": {
      "theme_frame": "fox_head.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#faf5f0"
    }
  },
  "version": "2.0",
  "name": "Just a Red Fox",
  "manifest_version": 2,
  "description": "A Red Fox.  Plain and Simple."
}