Examine source code of Weltraum 1

{
  "name": "Weltraum 1",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "Weltraum 1.jpg"
    },
    "colors": {
      "frame": "rgba(45, 50, 61, 0.09)",
      "tab_background_text": "rgba(170, 173, 179, 1)",
      "toolbar": "rgba(28, 23, 23, 0.17)",
      "bookmark_text": "rgba(170, 173, 179, 1)",
      "toolbar_field": "rgba(5, 2, 2, 0.37)",
      "toolbar_field_text": "rgba(38, 68, 135, 1)"
    }
  }
}