Examine source code of Angel s feather

{
  "theme": {
    "images": {
      "theme_frame": "angel2.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Angel s feather",
  "manifest_version": 2,
  "description": "angel's feather. anime. game. shounen ai. chibi. cute. kawaii. japanese. japan."
}