JSFiddle - React, Tailwind, and code Playground

HTML

<nav>
  <ul>
    <li>Item</li>
    <li>Item 1 </li>
    <li>Item 2</li>
  </ul>
</nav>

CSS

nav {
  border: 1px solid #000;
  background: green;
}

nav ul {
  list-style: none;
  border: 1px solid red;
}

nav ul li {
  border: 1px solid blue;
}