<FONT size="n">
pt
px
em
%
1
8pt
10px
0.66em
66%
2
10pt
13px
0.8em
80%
3（標準）
12pt
16px
1.0em
100%
4
14pt
18px
1.2em
120%
5
18pt
24px
1.5em
150%
6
24pt
32px
1.8em
180%
7
36pt
48px
3.0em
300%