JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<body>
<div style="height:50px;width:100px;float:left;display:block;"></div>
</body>
</html>

CSS

div
{
    border:1px solid black;
    background-image: -moz-linear-gradient(top,#286294 0%,#286294 0%, #4E91CA 0%,#286294 100%);
    background-image: -webkit-gradient(linear,0 0,0 100%,from(#4E91CA),to(#286294));
}