Examine source code of Windows 10 hero blue

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#003180",
      "tab_background_text": "#def8ff"
    }
  },
  "version": "2.0",
  "name": "Windows 10 hero blue",
  "manifest_version": 2,
  "description": "windows 10 at your Firefox! these theme puts windows 10 logo on top right of your browser. This is not affiliated, endorsed or sponsored by Microsoft anyway. All trademarks and registered trademarks are the property of their respective owners"
}