JSFiddle - React, Tailwind, and code Playground

HTML

<header></header>
<div id="content">
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLOKITTY</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLODOLLY</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLO</p>
    <p>HELLOWEEN</p>
</div>
<footer></footer>

CSS

html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
}
header {
    width: 100%;
    height: 60px;
    background: red;
    position: fixed;
    top: 0;
}
#content {
    width: 80%;
    margin: 0 auto;
    padding: 60px 0;
}
footer {
    width: 100%;
    height: 60px;
    background: red;
    position: fixed;
    bottom: 0;
}