JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="row row-center">
      <div class="col-xs-2 col-center">b</div>
      <div class="col-xs-2 col-center">d</div>
      <div class="col-xs-2 col-center">b</div>
      <div class="col-xs-2 col-center">d</div>
      <div class="col-xs-2 col-center">d</div>
      <div class="col-xs-2 col-center">d</div>
    </div>
  </div>

CSS

.row-center {
  text-align: center;
}

.col-center {
  display: inline-block;
  border: 1px solid blue;
  text-align: left;
  margin: 0 -2px;
  padding: 10px;
}