JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
  <li><a class="inaktiv" href="veranstaltungen.html">Veranstaltungen</a></li>
  
</ul>

CSS

.inaktiv {
  text-decoration: none;
  pointer-events: none; 
  cursor: default; 
  color: red;
}