Examine source code of Starry dark

{
  "name": "Starry dark",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled design(1).png"
    },
    "colors": {
      "toolbar": "rgba(179, 179, 179, 0)",
      "toolbar_field": "rgba(87, 87, 87, 0.44)",
      "toolbar_field_text": "rgba(158, 158, 158, 1)",
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(117, 117, 117, 1)",
      "bookmark_text": "rgba(235, 235, 235, 1)"
    }
  }
}