.b {font-weight:bold;}
.i {font-style:italic;}
.u {text-decoration:underline;}
.bi, ib {font-weight:bold; font-style:italic;}
.bu, .ub {font-weight:bold; text-decoration:underline;}
.iu, .ui {font-style:italic; text-decoration:underline;}
.biu, bui, ibu, iub, ubi, uib {font-weight:bold; font-style:italic; text-decoration:underline;}
.lcase {text-transform:lowercase;}
.ucase {text-transform:uppercase;}