JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row">
  <div class="column"></div>
  <div class="column"></div>
  <div class="column"></div>
</div>

CSS

.column {
  float: left;
  height: 100px;
  width: 33.33%;
  background: #000;
}

.column:nth-child(2) {
  background: #0f0;
}

.column:nth-child(3) {
  background: #00f;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}
.column {
  float: left;
}

.left, .right {
  width: 25%;
}

.middle {
  width: 50%;
}