Examine source code of Red Owl Eye

{
  "theme": {
    "images": {
      "theme_frame": "owleye01a.jpg"
    },
    "colors": {
      "frame": "#f0b595",
      "tab_background_text": "#ebd1d1"
    }
  },
  "version": "2.0",
  "name": "Red Owl Eye",
  "manifest_version": 2,
  "description": "The Owl's Eye"
}