.dib display: inline-block;
.dbb display: block;
.dt display: table;
.dtc display: table-cell;

.fl float: left;
.fr float: right;
.fn float: none;

.list--none: list-style-type: none;

.va--middle vertical-align: middle;
.va--top vertical-align: top;
.va--bottom vertical-align: bottom;