Examine source code of Hornet Silksong

{
  "name": "Hornet Silksong",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "b9bde237b64bf7f79b34d91e35da31783956de286.jpg"
    },
    "colors": {
      "frame": "rgba(77, 12, 12, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(133, 29, 29, 0.65)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(79, 9, 9, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(247, 235, 230, 0.47)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ef6fcb88-fb4b-4d71-9e21-85e0becfa4ac}"
    }
  }
}