Examine source code of bbbbb

{
  "name": "bbbbb",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "photo_2021-04-02_14-59-31 (2).jpg"
    },
    "colors": {
      "frame": "rgba(50, 214, 85, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(204, 43, 43, 1)",
      "bookmark_text": "rgba(3, 27, 240, 1)",
      "toolbar_field": "rgba(84, 7, 7, 1)",
      "toolbar_field_text": "rgba(170, 4, 207, 1)"
    }
  }
}