Examine source code of Rainy Unicorn

{
  "name": "Unicorn rain",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "rainy unicorn.jpg"
    },
    "colors": {
      "frame": "rgba(141, 154, 181, 0.67)",
      "tab_background_text": "rgba(237, 172, 242, 1)",
      "toolbar": "rgba(255, 255, 255, 0.43)",
      "bookmark_text": "rgba(154, 67, 191, 1)",
      "toolbar_field": "rgba(215, 242, 242, 0.86)",
      "toolbar_field_text": "rgba(32, 129, 161, 1)"
    }
  }
}