Examine source code of windows 10 dark

{
  "name": "Space-galaxy-nebula-darkness_2880x1800",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "666.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(89, 89, 89, 0.41)",
      "bookmark_text": "rgba(194, 194, 194, 1)",
      "toolbar_field": "rgba(92, 92, 92, 0.51)",
      "toolbar_field_text": "rgba(158, 158, 158, 1)"
    }
  }
}