.centered { text-align: center; }
.lefted { text-align: left; }
.righted { text-align: right; }

.superCentered { text-align: center !important; }
.superLefted { text-align: left !important; }
.superRighted { text-align: right !important; }

.floatLeft { float: left; }
.floatRight { float: right; }
.clearer { clear: both; }

.x { background-color: red; }
.xb { border: solid 1px red; }
.y { background-color: green; }
.yb { border: solid 1px green; }
.z { background-color: blue; }
.zb { border: solid 1px blue; }