Examine source code of Darkverse

{
  "name": "Darkverse",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Rechteck 2.jpg"
    },
    "colors": {
      "frame": "rgba(3, 11, 16, 1)",
      "tab_background_text": "rgba(239, 239, 239, 1)",
      "toolbar": "rgba(33, 35, 48, 1)",
      "bookmark_text": "rgba(239, 239, 239, 1)",
      "toolbar_field": "rgba(3, 11, 16, 1)",
      "toolbar_field_text": "rgba(239, 239, 239, 1)",
      "tab_line": "rgba(239, 239, 239, 0.65)"
    }
  }
}