Examine source code of Marble Ink Splash - Dark

{
  "name": "Marble Ink Splash - Dark",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "pawel-czerwinski-UmzGrVna1P0-unsplash(1) 1 14.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(176, 176, 176, 0.39)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 0.63)",
      "toolbar_field": "rgba(0, 0, 0, 0.6)",
      "toolbar_field_text": "rgba(255, 255, 255, 0.8)"
    }
  }
}