JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
 <div class="divOne"></div>
 <div class="divTwo"></div>
</div>

CSS

.container {
  width: 100%;
}

.divOne {
  width: 50%;
  min-width: 300px;
  height: 100px;
  background-color: yellow;
  float: left;
}

.divTwo {
  width: 50%;
  min-width: 300px;
  height: 100px;
  background-color: blue;
  float: left;
}