Examine source code of Clouds

{
  "name": "Clouds",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "icon.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(161, 237, 204, 1)",
      "toolbar": "rgba(94, 94, 214, 1)",
      "bookmark_text": "rgba(128, 202, 209, 1)",
      "toolbar_field": "rgba(44, 38, 148, 1)",
      "toolbar_field_text": "rgba(8, 39, 212, 1)"
    }
  }
}