JSFiddle - React, Tailwind, and code Playground

HTML

<div class="dash__node__container">
      <div class="dash__node"></div>
      <div class="dash__node"></div>
      <div class="dash__node"></div>
</div>

CSS

.dash__node__container {
  padding: 1rem;
  width: 100%;
  padding-bottom: 75%;
  position: relative;
  box-sizing:border-box;
  font-size:0;
} 

.dash__node {
  width: 33.333%;
  height: 50px;
  display: inline-block;
  border: 1px solid #D8D8D8;
  box-sizing: border-box
}