Copy button icon is misaligned in Firefox

[hkosova]

Q&A (please complete the following information)

• OS: Windows 10
• Browser: Firefox 91
• Method of installation: https://petstore.swagger.io
• Swagger-UI version: 3.52.0
• Swagger/OpenAPI version: any

Content & configuration

https://petstore.swagger.io/#/pet/getPetById

Describe the bug you're encountering

The icon of the "copy to clipboard" button is misaligned in Firefox.

To reproduce...

Steps to reproduce the behavior:

1. Open https://petstore.swagger.io/#/pet/getPetById in Firefox.
2. Click "Try it out".
3. Enter petId = 1 and click "Execute".
4. Look at the copy button in the cURL command and in the response body.

Expected behavior

The copy button icon should be aligned evenly.

Screenshots