Examine source code of Blue Fragments

{
  "name": "Blue Fragments",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Ohne Titel 14.jpeg"
    },
    "colors": {
      "frame": "rgba(153, 179, 240, 1)",
      "tab_background_text": "rgba(227, 227, 227, 1)",
      "toolbar": "rgba(64, 150, 255, 0.5)",
      "bookmark_text": "rgba(219, 219, 219, 1)",
      "toolbar_field": "rgba(73, 43, 240, 0.3)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(50, 53, 250, 1)"
    }
  }
}