Examine source code of Christendom

{
  "theme": {
    "images": {
      "theme_frame": "Header.PNG"
    },
    "colors": {
      "frame": "#999999",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Christendom",
  "manifest_version": 2,
  "description": "A skin for Christians, this skin includes pictures of Crusaders who fought to claim the Holy Land."
}