Examine source code of custom dracula

{
  "name": "custom dracula",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "linux.png"
    },
    "colors": {
      "frame": "rgba(2, 13, 36, 1)",
      "tab_background_text": "rgba(46, 7, 143, 1)",
      "toolbar": "rgba(18, 0, 36, 1)",
      "bookmark_text": "rgba(53, 7, 143, 1)",
      "toolbar_field": "rgba(43, 17, 71, 1)",
      "toolbar_field_text": "rgba(128, 13, 252, 1)"
    }
  }
}