JSFiddle - React, Tailwind, and code Playground

by qian jin

HTML

<div class="top-box">
  <div class="left"></div>
  <div class="left"></div>
  <div class="left"></div>
</div>

<div class="down-box"></div>

CSS

.left {
  float: left;
  width:25%;
  background: red;
  height: 50px;
}

.down-box {
  height: 200px;
  background: green;
}