JSFiddle - React, Tailwind, and code Playground

HTML

<div class="menu">
 <a href="http://htmlbook.ru/">служба поддержки</a>
 |
 <a href="https://stepik.org/catalog?q=%D0%BE%D1%81%D0%BD%D0%BE%D0%B2%D1%8B%20html">задать вопрос</a>
</div>
<div class="tel">+74991234567</div>

CSS

.menu, .tel {
  text-align: center;
}