Examine source code of imtlak

{
  "theme": {
    "images": {
      "theme_frame": "cayon-webheader.jpg"
    },
    "colors": {
      "frame": "#e61c1c",
      "tab_background_text": "#e38d42"
    }
  },
  "version": "2.0",
  "name": "imtlak",
  "manifest_version": 2,
  "description": "Grand Canyon vista"
}