Examine source code of Negro Naranja

{
  "name": "Negro Naranja",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "black-smiley-face-be-happy-1920x1080-wallpaper.jpg"
    },
    "colors": {
      "frame": "rgba(20, 20, 20, 1)",
      "tab_background_text": "rgba(191, 191, 191, 1)",
      "toolbar": "rgba(20, 20, 20, 1)",
      "bookmark_text": "rgba(226, 107, 10, 1)",
      "toolbar_field": "rgba(64, 64, 64, 1)",
      "toolbar_field_text": "rgba(191, 191, 191, 1)"
    }
  }
}