Examine source code of Toga himiko

{
  "name": "Toga himiko",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "이.jpeg"
    },
    "colors": {
      "frame": "rgb(28, 11, 3)",
      "tab_background_text": "rgb(228, 155, 74)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgb(228, 155, 74)",
      "toolbar_field": "rgba(28, 11, 3, 0)",
      "toolbar_field_text": "rgb(228, 155, 74)",
      "tab_line": "rgb(228, 155, 74)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{655f875f-2104-4bef-9386-1b39b6d7ae20}"
    }
  }
}