JSFiddle - React, Tailwind, and code Playground

by jasonmerino

HTML

<div class="container">
  <div class="row">
    <div class="cell"></div>
    <div class="cell"></div>
    <div class="cell"></div>
    <div class="cell"></div>
  </div>
  <div class="row">
    <div class="cell"></div>
    <div class="cell"></div>
    <div class="cell"></div>
    <div class="cell"></div>
  </div>
  <div class="row">
    <div class="cell"></div>
    <div class="cell"></div>
    <div class="cell"></div>
    <div class="cell"></div>
  </div>
</div>

CSS

.container {
  border: 5px solid red;
  flex: 1;
}

.row {
  border: 5px solid green;
  flex-direction: row;
  display: flex;
  flex: 1;
}

.cell {
  border: 5px solid blue;
  height: 10px;
  flex: 1;
}