Examine source code of iets

{
  "name": "iets",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "50920011-melkweg-sterren-abstracte-ruimte-achtergrond-elementen-van-deze-afbeelding-geleverd-door-nasa.jpg"
    },
    "colors": {
      "toolbar": "rgba(255, 0, 0, 1)",
      "toolbar_field": "rgba(189, 189, 189, 1)",
      "toolbar_field_text": "rgba(9, 235, 235, 1)",
      "frame": "rgba(214, 207, 0, 1)",
      "tab_background_text": "rgba(0, 255, 238, 1)",
      "bookmark_text": "rgba(0, 250, 213, 1)"
    }
  }
}