Examine source code of Nihon Glory

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ff0000"
    }
  },
  "version": "2.0",
  "name": "Nihon Glory",
  "manifest_version": 2,
  "description": "My header contains Osaka Castle, Torii Gate and cherry blossom trees all under the rising sun. Nihon is Japanese way to say Japan and it means the sun's origin."
}