Examine source code of Third day

{
  "theme": {
    "images": {
      "theme_frame": "third200cpia.jpg"
    },
    "colors": {
      "frame": "#591751",
      "tab_background_text": "#0a17c9"
    }
  },
  "version": "2.0",
  "name": "Third day",
  "manifest_version": 2,
  "description": "Gospel"
}