.fxxs     { font-size: xx-small; line-height: 150% }
.fxs   { font-size: x-small; line-height: 150% }
.fs  { font-size: small; line-height: 150% }
.fm  { font-size: medium; line-height: 150% }
.fl  { font-size: large; line-height: 150% }
.fxl  { font-size: x-large; line-height: 150% }
.fxxl  { font-size: xx-large; line-height: 150% }