I screen-shot Continuous Functions map compact sets to compact sets. Modus operandi of proof (Abbott p 115 t4.4.2). I want serif as in Fire-fox.

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  • $\begingroup$ Does this only happen on stackexchange sites? If not, it's off-topic here, but maybe might be askable on stackoverflow.com $\endgroup$
    – postmortes
    Nov 23, 2019 at 11:36
  • 2
    $\begingroup$ I'm confused! In the screenshot, I see a serif font in Opera, and a sans-serif font in Firefox. If that's not confusing enough, I see a serif font when using Firefox myself. $\endgroup$ Nov 24, 2019 at 15:44
  • $\begingroup$ It looks like all your fonts in Firefox are sans-serif. Do you have your preferences set to prevent page-specific fonts in Firefox? That would certainly prevent MathJax from using its normal math fonts. $\endgroup$ Nov 26, 2019 at 19:31


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