Examine source code of Spring Sky

{
  "name": "Spring Sky",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "20190717175338_3fb.jpg"
    },
    "colors": {
      "frame": "rgba(0, 81, 255, 1)",
      "tab_background_text": "rgba(0, 36, 9, 1)",
      "toolbar": "rgba(43, 167, 255, 1)",
      "bookmark_text": "rgba(255, 232, 251, 1)",
      "toolbar_field": "rgba(84, 23, 41, 1)",
      "toolbar_field_text": "rgba(168, 205, 247, 1)",
      "tab_line": "rgba(0, 191, 255, 1)"
    }
  }
}