JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    background: transparent;
    width: 100px;
    height: 100px;
    border: 1px solid #f00;
    position: relative;
}
div::before {
    display: block;
    content: '';
    width: 80px;
    height: 80px;
    margin-left: -40px;
    border-radius: 80px;
    -webkit-box-shadow: 0 15px 15px 0px rgba(0,0,0,0.25);
    box-shadow: 0 15px 15px 0px rgba(0,0,0,0.25);
    position: absolute;
    top: 15px;
    left: 50%;
    
    -webkit-transition: all 300ms ease-in;
    -moz-transition: all 300ms ease-in;
    -ms-transition: all 300ms ease-in;
    -o-transition: all 300ms ease-in;
    transition: all 300ms ease-in;
}
div:hover::before {
    -webkit-box-shadow: 0 15px 15px 0px rgba(0,0,0,0.3);
    box-shadow: 0 15px 15px 0px rgba(0,0,0,0.3);
    top: 20px;
}