Examine source code of Indonesia Flag

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#1b24c2"
    }
  },
  "version": "2.0",
  "name": "Indonesia Flag",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b52812f82e79c4adcdd65327035ccd2bcdec8d55a5973a81b3e012a35e2b88ab/https%3A//www.twitter.com/ronald_zend\" title=\"Follow me on Twitter\">Icon</a>\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/f311c7fb730b2f30a98952a647fcbecf7330fde98b60d20d61697718c63c7150/http%3A//www.zendrato.com\">www.zendrato.com</a>"
}