Examine source code of BlackFsih

{
  "name": "BlackFsih",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "preview_large (20).jpg"
    },
    "colors": {
      "frame": "rgba(6, 19, 46, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(69, 5, 5, 1)",
      "bookmark_text": "rgba(122, 54, 54, 1)",
      "toolbar_field": "rgba(237, 40, 40, 0.67)",
      "toolbar_field_text": "rgba(3, 5, 2, 1)"
    }
  }
}