Centrowanie kolumny w Bootstrapie

<div class="container">
    <div class="row row-centered">
        <div class="col-xs-6 col-centered"></div>
        <div class="col-xs-6 col-centered"></div>
        <div class="col-xs-3 col-centered"></div>
        <div class="col-xs-3 col-centered"></div>
        <div class="col-xs-3 col-centered"></div>
    </div>
</div>

.row {
text-align: center;
.col-centered //tutaj dodać wszystkie klasy col-*-*
{
display: inline-block;
float: none;
text-align: none;
margin-right: -4px;

}
}
źródło - http://www.minimit.com/articles/solutions-tutorials/bootstrap-3-responsive-centered-columns