chromium/third_party/blink/web_tests/inspector-protocol/layout-fonts/generic-font-families-expected.txt

This text uses the Standard font setting.
#initial:
"Ahem" : 41

This text uses the Serif font setting.
#serif:
"Ahem" : 38

This text uses the SansSerif font setting.
#sans-serif:
"Ahem" : 42

This text uses the Cursive font setting.
#cursive:
"Ahem" : 40

This text uses the Fantasy font setting.
#fantasy:
"Ahem" : 40

This text uses the Fixed font setting.
#monospace:
"Ahem" : 38

This text uses the Math font setting.
#math:
"Ahem" : 37