It renders correctly in my customized firefox, unless many sites on the web nowadays. However, Google, WikiPedia and HackerNews render without problems too.
My settings are: Zoom Text Only, do not allow pages to choose their own fonts, Comic Sans MS for all fonts, minimum font size 20pt.
My settings are: Zoom Text Only, do not allow pages to choose their own fonts, Comic Sans MS for all fonts, minimum font size 20pt.