Examine source code of cityoflights

{
  "name": "newyork",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "new york.jpg"
    },
    "colors": {
      "frame": "rgba(162, 181, 222, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(210, 244, 245, 1)",
      "bookmark_text": "rgba(255, 115, 0, 1)",
      "toolbar_field": "rgba(222, 255, 181, 1)",
      "toolbar_field_text": "rgba(0, 68, 255, 1)"
    }
  }
}