JSFiddle - React, Tailwind, and code Playground

HTML

<footer>
<p>
  <span class="button">FB</span>
  <span class="button">YT</span><br><br>
  &copy; 2016<br>
  All Rights Reserved
</p>
</footer>

CSS

footer{
  font-family: arial;
  background: #222;
  color: #ddd;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center
}
p{ padding: 10px 0 }
span.button{
  border: 1px solid #666;
  border-radius: 3px;
  padding: 3px;
}