Examine source code of POV:Target

{
  "name": "Infernius",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled drawing(1).png"
    },
    "colors": {
      "frame": "rgba(148, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(102, 49, 49, 1)",
      "bookmark_text": "rgba(255, 0, 106, 1)",
      "toolbar_field": "rgba(255, 107, 107, 1)",
      "toolbar_field_text": "rgba(255, 0, 0, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f902d5fa-3649-450d-b503-b2c8c767708c}"
    }
  }
}