xx-small
x-small
small
medium
large
9 px
12 px
14 px
18 px
24 px
36 px
48 px
9 pt
12 pt
14 pt
18 pt
24 pt
36 pt
48 pt
1 pc
2 pc
3 pc
4 pc
smaller
no style
larger
1em
2em
3em
4em
1ex
2ex
3ex
4ex
5ex
6ex
7ex
50%
75%
100%
150%
200%
400%