line-height: 2

Xxp, ┼, 1 / font-size: 100%

nx, ny / font-size: 50%

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1: vertical-align: baseline

Xxp ┼ 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