JSFiddle - React, Tailwind, and code Playground

HTML

<div id="top"></div>
<div id="bottom"></div>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>
<p>abc</p>

CSS

#top {
    height:2px;
    position:fixed;
    width:100%;
    top:1px;
    left:0;
    border-bottom:1px solid #000
}
#bottom {
    height:2px;
    position:fixed;
    width:100%;
    left:0;
    bottom:1px;
    border-top:1px solid #000
}