JSFiddle - React, Tailwind, and code Playground
by slawe
HTML
<div></div>
CSS
div {
display: inline-block;
position:absolute;
left: 100px;
top: 0;
width:200px;
height:500px;
background:black;
margin:15px;
position:relative;
border-bottom-right-radius: 100px 150px;
-webkit-transform: skew(-15deg);
}
div:before {
content:"";
position:absolute;
background: black;
top:0;
left:0;
width: 50px;
}