• url sets the value returned by window.location, document.URL, and document.documentURI, and affects things like resolution of relative URLs within the document and the same-origin restrictions and referrer used while fetching subresources. It defaults to "about:blank".

> - `url` sets the value returned by `window.location`, `document.URL`, and `document.documentURI`, and affects things like resolution of relative URLs within the document and the same-origin restrictions and referrer used while fetching subresources. It defaults to `"about:blank"`.

I am already using this CSS from #1146 (comment) but it not working for quoted blocks as you can see on the image just above. Only removing GitHubRedefined fixes it.

.comment-body blockquote,
.comment-body pre {
  max-height: none !important;
  overflow-y: visible !important;
}