JSFiddle - React, Tailwind, and code Playground

HTML

<div class="menu">
  <ul>
     <li><a href="#123.cshtml">пунтк 1</a></li>
     <li><a href="#124.cshtml">пунтк 2</a></li>
     <li><a href="#125.cshtml">пунтк 3</a></li>
     <li><a href="Default.cshtml">пунтк 4</a></li>
  </ul>
</div>

CSS

ul li{
display:inline-block;
}