Examine source code of goldmao

{
  "name": "微信图片_20211109160650",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "微信图片_20211109160650.jpg"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(255, 212, 125, 1)",
      "toolbar_field_text": "rgba(255, 212, 125, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8fd0fd7d-79db-49ec-af3d-b76ae4c61ed9}"
    }
  }
}