Examine source code of AskACatholic

{
  "theme": {
    "images": {
      "theme_frame": "AskACatholic_header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "AskACatholic",
  "manifest_version": 2,
  "description": "We are Catholic Christians who clarify teachings and correct misperceptions on the web about the only True Church Our Blessed Lord Jesus establised on St. Peter, the Roman Catholic Church"
}