.bc {border-right:1px black solid;text-align:center;}
.br {border-right:1px black solid;text-align:right;}
.bl {border-right:1px black solid;text-align:left;}
.bcb {border-right:1px black solid;border-bottom:1px black solid;text-align:center;}
.brb {border-right:1px black solid;border-bottom:1px black solid;text-align:right;}
.blb {border-right:1px black solid;border-bottom:1px black solid;text-align:left;}
.bct {border-width:1px;border-style:solid solid solid none;border-color:black;text-align:center;width:50px;}
.brt {border-width:1px;border-style:solid solid solid none;border-color:black;text-align:right;}
.blt {border-width:1px;border-style:solid solid solid none;border-color:black;text-align:left;}
.bo {border:1px black solid;text-align:center;}
.bs {border-left:1px black solid;border-right:1px black solid;}
.bsb {border-width:1px;border-style:none solid solid solid;border-color:black;}