Curious about the design behind brownstone.org?
SiteFontCheck scanned their live CSS architecture and identified 8 unique font families.
The website relies heavily on source sans 3, sans-serif for its main text elements, paired with libre caslon text, serif and source sans 3 as fallback options, and 5 additional.
8
unique font families
Primary font
source sans 3, sans-serif
Below is the precise map of font sizes, weights, and text elements used across their site.
Detected Fonts
8 foundsource sans 3, sans-serif
135
wpforms-submit
libre caslon text, serif
91
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source sans 3
38
October 30, 2026
arial
32
en
source sans 3, -apple-system, blinkmacsystemfont, segoe ui, roboto, helvetica neue, arial, sans-serif
25
Ramesh Thakur
sans-serif-light, helveticaneue-light, helvetica neue light, helvetica neue, arial, helvetica, liberation sans, sans-serif
6
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libre caslon text, georgia, serif
3
Ask Brownstone
helvetica neue, helvetica, arial, sans-serif
1
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