Examine source code of Panther Roar

{
  "name": "Panther Roar",
  "manifest_version": 2,
  "version": "8.0",
  "theme": {
    "images": {
      "theme_frame": "black-panther.png"
    },
    "colors": {
      "frame": "rgba(204, 12, 153, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(3, 3, 3, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.56)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(92, 55, 212, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2b36d5aa-79d9-4ab1-8901-9bc9900ccfc1}"
    }
  }
}