JSFiddle - React, Tailwind, and code Playground

HTML

<nav>
    <h1 id="navigation">My Navigation</h1>
</nav>
<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

CSS

nav {
    width:100%;
    height:50px;
    background:black;
    position: fixed;
}

nav h1 {
    color:white;
}