Examine source code of leaf

{
  "name": "leaf",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "windows_11_green_wallpaper__by_ish4n72_df51ve4-pre.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 234, 255, 1)",
      "toolbar": "rgba(13, 255, 0, 1)",
      "bookmark_text": "rgba(0, 255, 251, 1)",
      "toolbar_field": "rgba(0, 255, 51, 1)",
      "toolbar_field_text": "rgba(0, 255, 242, 1)",
      "tab_line": "rgba(0, 149, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cce1665f-5eff-4613-98a7-9f4414f21676}"
    }
  }
}