JSFiddle - React, Tailwind, and code Playground

by kiyosh1

HTML

<div class='rect'></div>
<div class='clear-circle'></div>

CSS

.rect {
    width: 100%;
    height: 75px;
    background-color: transparent;
    background-image: -webkit-radial-gradient(50% 100%, circle, transparent 50px, black 0);
    background-image: radial-gradient(50% 100%, circle, transparent 50px, black 0);
}

.clear-circle {
    width: 100px;
    height: 100px;
    background-color: transparent;
    border: 1px solid #000;
    border-radius: 50px;
    margin: -50px auto 0px;
}