JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box"></div>

CSS

.box{
  width:500px; height:100px;  
  border:solid 5px #f9955e;
  border-color:#f9955e #f9955e #f9955e #f9955e;
  border-radius: 50%/100px 100px 0 0;
    background-color: #f9955e;
}