Examine source code of otto-orange

{
  "name": "otto-orange",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot_20230118_204039.png"
    },
    "colors": {
      "frame": "rgba(43, 52, 61, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(59, 68, 84, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(247, 148, 103, 1)",
      "tab_line": "rgba(247, 119, 103, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2c970082-1d23-4ada-9c0b-aeff50b12ee7}"
    }
  }
}