Examine source code of CC0 1.0 Universal

{
  "name": "CC0 1.0 Universal",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "CC0 1.0 Universal.jpg"
    },
    "colors": {
      "frame": "rgba(110, 45, 75, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(239, 255, 189, 1)",
      "toolbar_field_text": "rgba(128, 5, 5, 1)",
      "tab_line": "rgba(27, 133, 143, 1)"
    }
  }
}