Examine source code of Ikiariam Standard

{
  "theme": {
    "images": {
      "theme_frame": "boardbanner.png"
    },
    "colors": {
      "frame": "#f3f7ef",
      "tab_background_text": "#0d1694"
    }
  },
  "version": "2.0",
  "name": "Ikiariam Standard",
  "manifest_version": 2,
  "description": "Ikariam Standard"
}