JSFiddle - React, Tailwind, and code Playground

HTML

<div class="test">dfdf</div>

CSS

.test {
    position: absolute;
    left: 40px;
    top: 40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden; 
}


.test:after {
    content: "";
    position: absolute;
    left: -30%;
    top: 10%;
    width: 160%;
    height: 80%;
    background-color: lightblue;
    border-radius: 50%;
    
}