JSFiddle - React, Tailwind, and code Playground

HTML

<div id="movetxt">move from top to bottom</div>

CSS

#movetxt {
    position: relative;
    -webkit-animation: moving 5s infinite;
    animation: moving 5s infinite;
}
		
@-webkit-keyframes moving {
    from {top: 0px;}
    to {top: 200px;}
}

@keyframes moving {
    from {top: 0px;}
    to {top: 200px;}
}