Examine source code of dark trees midnight city

{
  "name": "dark trees in the midnight city",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "IMG_20201103_202307.jpg"
    },
    "colors": {
      "frame": "rgba(143, 120, 39, 1)",
      "tab_background_text": "rgba(255, 140, 0, 1)",
      "toolbar": "rgba(102, 86, 86, 1)",
      "bookmark_text": "rgba(255, 163, 168, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{16478510-3f54-4d06-b14c-ac7c3a2e54a3}"
    }
  }
}