No? https://searchfox.org/mozilla-central/source/layout/style/res/html.css https://searchfox.org/mozilla-central/source/layout/style/re... The Firefox default

No? https://searchfox.org/mozilla-central/source/layout/style/res/html.css https://searchfox.org/mozilla-central/source/layout/style/re... The Firefox default style sets a fixed width font and sets a small margin. What's "a lot more"?