Examine source code of Arknights amiya アークナイツ

{
  "name": "Arknights amiya アークナイツ",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "1080107-removebg-preview(1).png"
    },
    "colors": {
      "frame": "rgba(186, 196, 217, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "toolbar_field": "rgba(45, 66, 204, 0.38)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{13ca7834-16ea-4665-9b1a-98e311fffb08}"
    }
  }
}