JSFiddle - React, Tailwind, and code Playground
HTML
<div class="circle-container">
<button class="circle bounce">H</button>
</div>
CSS
.circle{
border:none;
width:75px;
height:75px;
border-radius:50%;
background-color: #5e78e5;
position:relative;
}
JavaScript
$(document).ready(function(){
setInterval(function(){
$(".bounce").animate({top: "+=5"},50,function(){
$(".bounce").animate({top:"-=5"},50)
});
},200)
})