.db {display:block;}
.dn {display:none;}
.difl {display:inline; float:left;}
.difr {display:inline; float:left;}
.dbfl {display:block; float:left;}
.dbfr {display:block; float:right;}
.repfl {display:block; float:left; text-indent:-9999px;}
.repfl-center {display:block; float:left; text-indent:-9999px; text-align:center;}
.repfr {display:block; float:right; text-indent:-9999px;}
.fl{float:left;}
.fr{float:right;}
.fn{float:none;}