If you don't want to log in you can add ?useskin=vector to any wikipedia URL to get the same. There's a few others as well and they have a bookmarklet you can

If you don't want to log in you can add ?useskin=vector to any wikipedia URL to get the same. There's a few others as well and they have a bookmarklet you can add to just click on to switch the current page: https://en.wikipedia.org/wiki/Wikipedia:Skin https://en.wikipedia.org/wiki/Wikipedia:Skin