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Adjust the appearance and reading typography. Changes apply immediately and are saved in this browser.
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Fonts use what is installed on your device. Site default restores the author’s choices. Typography applies to reading content and the preview; formulas keep their math fonts.
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Reading is a quiet conversation. The space between letters, the pause between lines, and the rhythm of a paragraph all shape how an idea is understood. Good typography gives the eye room to move and the mind room to stay.
0123456789 · Aa Bb Cc · 山川与日月
const message: string = 'Hello, world.';