Arial 9px
Times 9ptx
Arial 10px Times 10px
Arial 11px Times 11px
Arial 12px Times 12px
Arial 14px Times 14px

Arial 0.8ems Arial 80%
Arial 1ems Arial 100%
Arial 1.5ems Arial 150%
Arial 2ems Arial 200%

xx-small
x-small
small
medium
large
x-large
xx-large