JSFiddle - React, Tailwind, and code Playground

by batcave

HTML

<div class="container">
  <div class="footer">test</div>
</div>

CSS

.container {
  min-height: 300rem;
  background-color: #ededed;
}

.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3rem;
  padding: .5rem;
  background-color: aqua;
}