H1 The Quick brown fox jumps over the lazy dog (1.728em = 27,648px)

H2 The Quick brown fox jumps over the lazy dog (1.440em = 23,04px)

H3 The Quick brown fox jumps over the lazy dog (1.200em = 19,2px)

H4 The Quick brown fox jumps over the lazy dog (1.000em = 16px (100%)- Größe wie Fließtext Fett)

H5 The Quick brown fox jumps over the lazy dog (0.875em = 14px)

H6 The Quick brown fox jumps over the lazy dog (0.750em = 12px)