Examine source code of Anime member

{
  "name": "Anime member",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "download.jpg"
    },
    "colors": {
      "frame": "rgba(176, 185, 207, 1)",
      "tab_background_text": "rgba(235, 155, 155, 1)",
      "bookmark_text": "rgba(184, 77, 74, 1)",
      "toolbar_field": "rgba(184, 77, 74, 1)",
      "toolbar_field_text": "rgba(235, 155, 155, 1)",
      "tab_line": "rgba(184, 77, 74, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{40d59055-3937-4c72-83c3-a71fc5d84855}"
    }
  }
}