Examine source code of Sig Crest

{
  "theme": {
    "images": {
      "theme_frame": "logo_sigma_chi.JPG"
    },
    "colors": {
      "frame": "#fae932",
      "tab_background_text": "#2c2cf5"
    }
  },
  "version": "2.0",
  "name": "Sig Crest",
  "manifest_version": 2,
  "description": "Crest courtesy of <a href=\"https://outgoing.prod.mozaws.net/v1/37abfc75209236dc259521e341db71aa1a56883e7be71bebad38d45b4a034435/http%3A//www.sigmachi.org\" rel=\"nofollow\">www.sigmachi.org</a>"
}