Permaproxy to the current stylesheet

(This feature request is not for the Leaderboare Snippet maintainer, but for the PPCG proxy owners.)

The Leaderboard Snippet includes the same stylesheet as the PPCG site itself uses. That stylesheet's URL can not be acquired programmatically by the snippet, so it is hardcoded:

<link rel="stylesheet" type="text/css" href="//cdn.sstatic.net/codegolf/all.css?v=83c949450c8b">

And this is how the snippet was included in 150++ questions.

Then PPCG graduated and the site's stylesheet changed:

<link rel="stylesheet" type="text/css" href="//cdn.sstatic.net/Sites/codegolf/allprimary.css?v=617d0685f6f3">v=f52df912b654">

Now all those questions posted before graduation (and even those after) left without stylesheet and their layout suffered, ranging between ugly and unreadable/unclickable.

As further style changes will probably happen (see Graduation Design Ideas's popularity), would be nice if one of the PPCG proxy owners would set up a permanent redirect towards the current stylesheet used by the site:

Redirect /official.css //cdn.sstatic.net/Sites/codegolf/allprimary.css?v=617d0685f6f3v=f52df912b654

So Leaderboard Snippet could then include that stylesheet with permanent URL:

<link rel="stylesheet" type="text/css" href="//pp.cg/official.css">