JSFiddle - React, Tailwind, and code Playground

HTML

<section>
  <ul>
    <li><a href="tel:12344567890">12344567890</a></li>
    <li><a href="mailto:contact@gmail.com">contact@gmail.com</a></li>
  </ul>
</section>

CSS

section {
  display: flex;
  justify-content: flex-end;
}
section ul {
  display: flex;
  flex-wrap: wrap;
}
section ul a {
  display: block;
  padding: 10px;
}