居中社交栏html & css

<div class="social-bar">
  <ul>
    <li><a href="https://www.facebook.com"><i class="fab fa-facebook"></i></a></li>
    <li><a href="https://www.twitter.com"><i class="fab fa-twitter"></i></a></li>
    <li><a href="https://www.instagram.com"><i class="fab fa-instagram"></i></a></li>
  </ul>
</div>

.social-bar {
  display: flex;
  justify-content: center;
}

.social-bar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.social-bar li {
  margin: 0 10px;
}

.social-bar a {
  display: inline-block;
  width: 40px;
  height: 40px;
  text-align: center;
  line-height: 40px;
  color: #fff;
  background-color: #333;
  border-radius: 50%;
}

.social-bar a:hover {
  background-color: #555;
}