Examine source code of Hunter X Hunter 6

{
  "name": "Hunter X Hunter 6",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "addca.jpg"
    },
    "colors": {
      "frame": "rgba(12, 12, 13, 1)",
      "tab_background_text": "rgba(10, 245, 186, 1)",
      "toolbar": "rgba(247, 15, 15, 1)",
      "bookmark_text": "rgba(10, 51, 255, 1)",
      "toolbar_field": "rgba(255, 10, 198, 1)",
      "toolbar_field_text": "rgba(17, 250, 13, 1)",
      "tab_line": "rgba(239, 247, 10, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5c30d563-91c4-4aa1-8473-2b170b3a576a}"
    }
  }
}