JSFiddle - React, Tailwind, and code Playground

HTML

<div class='ui-widget-header'></div>

CSS

.ui-widget-header {
    border: 1px solid #E1712B !important;
    background-image:linear-gradient(to bottom, #F8B84B 30%,#F7AF39 70%);
    color: #ffffff;
    font-weight: bold;
    width:100px;
    height:100px;
}