JSFiddle - React, Tailwind, and code Playground

by AlienWebguy

HTML

<div id="test"></div>

CSS

#test {
    width:25px;
    height:200px;
    background-color:#333;
    border-top-left-radius:50px 200px;
    border-bottom-left-radius:50px 200px;
    -moz-border-radius-topleft:50px 200px;
    -moz-border-radius-bottomleft:50px 200px;
}