[Bug] @import works on chrome, but not on firefox from digitaloceanspaces

[Thorvarium]

Describe the bug

@import works on chrome, but not on firefox when using this URL:

@import url(https://vine.nyc3.digitaloceanspaces.com/test.css);

It is supposed to make the background color red on the body of the website.

Browser

Firefox 113.0.1, windows 11

To Reproduce

Steps to reproduce the behavior:

• Go to https://www.google.com
• Open stylebot options
• Go to Styles tab
• Add a new style
• specify URL: https://www.google.com*
• content: @import url(https://vine.nyc3.digitaloceanspaces.com/test.css);
• refresh google page tab

Expected behavior

Background should be red, works on chrome but not on firefox.