fontSize

The font-size CSS property sets the size of the font. Changing the font size also updates the sizes of the font size-relative <length> units, such as em, ex, and so forth.

Syntax: <absolute-size> | <relative-size> | <length-percentage>

Initial value: medium

| Chrome | Firefox | Safari |  Edge  |   IE    |
| :----: | :-----: | :----: | :----: | :-----: |
|   1    |    1    |   1    |   12   |   5.5   |

See also