JSFiddle - React, Tailwind, and code Playground

by 3rror404

HTML

<div></div>

CSS

html, body {
    height: 100%;
    min-height: 100%;
}
div {
    width: 50px;
    height: 50px;
    background: red;
    position: relative;
    top: 5%;
    -webkit-animation: marquee 15s linear infinite;
}

@-webkit-keyframes marquee {
    0%   { top:   5% }
    100% { top: -100% }
}