Examine source code of aesthetic

{
  "name": "aesthetic",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "lolita.png"
    },
    "colors": {
      "frame": "rgba(221, 226, 235, 1)",
      "tab_background_text": "rgba(199, 72, 72, 1)",
      "toolbar": "rgba(226, 245, 241, 1)",
      "bookmark_text": "rgba(128, 126, 128, 1)",
      "toolbar_field": "rgba(171, 197, 214, 1)",
      "toolbar_field_text": "rgba(99, 89, 89, 1)"
    }
  }
}