Examine source code of Fleeting Beauty

{
  "name": "Fleeting Beauty",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "renders.png"
    },
    "colors": {
      "frame": "rgba(254, 194, 255, 1)",
      "tab_background_text": "rgba(214, 0, 207, 1)",
      "toolbar": "rgba(211, 79, 255, 1)",
      "bookmark_text": "rgba(255, 133, 251, 1)",
      "toolbar_field": "rgba(91, 96, 201, 1)",
      "toolbar_field_text": "rgba(0, 212, 32, 1)",
      "tab_line": "rgba(0, 230, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3171b5e9-e99b-4bfa-92bc-5d06c6ab8017}"
    }
  }
}