JSFiddle - React, Tailwind, and code Playground

HTML

<div class="holder">
    <div class="circleHolder"><div class="circle"></div></div>
    <div class="circleHolder"><div class="circle"></div></div>
    <div class="circleHolder"><div class="circle"></div></div>
    <div class="circleHolder"><div class="circle"></div></div>
</div>

CSS

.holder {
    padding: 50px;
}

.circleHolder {
    position: relative;
    display: inline-block;
    overflow: visible;
    margin-left: 20px;
    width: 30px;
    height: 30px;
}

.circle {
    cursor: pointer;
    background-color: #000;
    height: 30px;
    -moz-border-radius:15px;
    -webkit-border-radius: 15px;
    border-radius:15x;
    width: 30px;
}