JSFiddle - React, Tailwind, and code Playground

HTML

<div class="navbar">
      <a href="#home">Home</a>
      <a href="#news">News</a>
      <a href="#contact">Contact</a>
    </div>

CSS

.navbar {
  overflow: hidden;
  background-color: #333;
  position: fixed; /* Set the navbar to fixed position */
  top: 0; /* Position the navbar at the top of the page */
  left:0;
  /* width: 1300px; */ /* Full width */ 
  width: 100%; /* Full width */ 
  z-index: 99999;
  text-align: center;
}

/* Links inside the navbar */
.navbar a {
  /* float: left; */
  display: inline-block; /* change to inline-block */
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* Change background on mouse-over */
.navbar a:hover {
  background: #ddd;
  color: black;
}