JSFiddle - React, Tailwind, and code Playground

HTML

<header>
      <nav>
        <ul>
          <li><a href="#">Home</a></li><!--
       --><li><a href="#">The Project</a></li><!--
       --><li><a href="#">Forum</a></li>
        </ul>
      </nav>
      
      <h1 id="tit" align="center"> I need to remove the balnk space between red buttons </h1>
    </header>

CSS

nav ul {
  text-align: center;
  margin: 0px;
  padding: 0px;
  position: fixed;
  width: 100%;
  height: auto;
  background: #b2bac9;
  color: #090a0d; }
  nav ul li {
    margin: 0px;
    padding: 0px;
    display: inline; }
    nav ul li a {
      text-decoration: none;
      display: inline-block;
      padding: 16px;
      text-decoration: none;
      color: #fff;
      background: red; }
      nav ul li a:hover {
        background: #949fb4; }
#tit {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
}