The font is impressive. If you search for "ct", some of them have a fancy curlicue ligature. They're true to the original (compare https://www.math.ubc.ca/~cass

The font is impressive. If you search for "ct", some of them have a fancy curlicue ligature. They're true to the original (compare https://www.math.ubc.ca/~cass/euclid/book2/images/bookII-def1.html https://www.math.ubc.ca/~cass/euclid/book2/images/bookII-def... with https://www.c82.net/euclid/book2/ https://www.c82.net/euclid/book2/). And they seem to obtained merely with the css: font-feature-settings: "clig", "dlig", "liga", "onum"