JSFiddle - React, Tailwind, and code Playground

HTML

<section>
    text<br>
    text<br>
    text<br>
    text<br>
    text<br>
    text<br>
    text<br>
    text<br>
    text<br>
    END
</section>
<footer>FOOTER</footer>

CSS

html {
    min-height: 100%;
}

body {
    min-height: 100%;
    background: radial-gradient(#fff, blue) no-repeat;
    width: 960px;
    margin: auto;
    position: relative;
}

section {
    line-height: 80px;
    padding-bottom: 100px;
}

footer {
    width: 100%;
    position: absolute;
    bottom: 0;
    height: 100px;
    background: yellow;
}