Examine source code of Caution-!

{
  "name": "Caution-!",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot from 2023-06-28 01-10-14.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(61, 61, 61, 0.1)",
      "bookmark_text": "rgba(31, 31, 31, 1)",
      "toolbar_field": "rgba(255, 213, 0, 1)",
      "toolbar_field_text": "rgba(41, 41, 41, 1)",
      "tab_line": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1152a59c-ec2b-47eb-b4da-0b99abc9116f}"
    }
  }
}