Examine source code of rickastlefy

{
  "name": "rickastlefy",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "ezgif-1-e54c1a55ad.gif"
    },
    "colors": {
      "frame": "rgba(137, 26, 184, 0.46)",
      "tab_background_text": "rgba(24, 168, 62, 1)",
      "toolbar": "rgba(240, 110, 110, 0)",
      "bookmark_text": "rgba(255, 0, 0, 0.82)",
      "toolbar_field": "rgba(84, 95, 194, 0.08)",
      "toolbar_field_text": "rgba(130, 34, 186, 0.75)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b705ea03-edb6-4d88-ba69-8ac83f0a8559}"
    }
  }
}