Examine source code of Aesthetic Sunset

{
  "name": "Aesthetic",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "photo-1535013113415-b315146c67d5.jpg"
    },
    "colors": {
      "frame": "rgba(63, 44, 97, 1)",
      "tab_background_text": "rgba(240, 120, 134, 1)",
      "toolbar": "rgba(27, 25, 28, 1)",
      "bookmark_text": "rgba(235, 119, 80, 1)",
      "toolbar_field": "rgba(255, 227, 204, 1)",
      "toolbar_field_text": "rgba(136, 104, 163, 1)"
    }
  }
}