line-height: 3
Xxp / font-size: 150%
┼, 1 / font-size: 100%
nx, ny / font-size: 50%
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1: vertical-align: baseline
Xxp ┼ 1 1x 11y
2: vertical-align: middle
Xxp ┼ 2x 22y
3: vertical-align: text-top
Xxp ┼ 3x 33y
4: vertical-align: text-bottom
Xxp ┼ 4x 44y
5: vertical-align: top
Xxp ┼ 5x 55y
6: vertical-align: bottom
Xxp ┼ 6x 66y
7: vertical-align: super
Xxp ┼ 7x 77y
8: vertical-align: sub
Xxp ┼ 8x 88y