Examine source code of Superman Theme

{
  "name": "Superman Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "superman-uhdpaper.com-4K-200.jpg"
    },
    "colors": {
      "frame": "rgba(230, 37, 117, 1)",
      "tab_background_text": "rgba(245, 242, 242, 1)",
      "toolbar": "rgba(240, 56, 160, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(230, 55, 55, 0.87)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(194, 64, 64, 1)"
    }
  }
}