JSFiddle - React, Tailwind, and code Playground

by alinktothepast

HTML

<div class="back"></div>
<div class="box">My Box</div>

CSS

.back, .box {
    background:#ccc;
    height:250px;
    line-height:250px;
    margin:20px 0 0 20px;
    position:absolute;
    text-align:center;
    width:250px;
}
.box {
    background:red;
    
    
    border-radius: 250px 0px 225px 225px / 0 0 125px 125px;
}