JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    border: 1px solid black;
}

JavaScript

$("div")
  .css({
    borderTopLeftRadius: 10, 
    borderTopRightRadius: 10, 
    borderBottomLeftRadius: 10, 
    borderBottomRightRadius: 10,
    WebkitBorderTopLeftRadius: 10, 
    WebkitBorderTopRightRadius: 10, 
    WebkitBorderBottomLeftRadius: 10, 
    WebkitBorderBottomRightRadius: 10, 
    MozBorderRadius: 10,
      height:10,
      width: 10
  })
  .animate({
    borderTopLeftRadius: 100, 
    borderTopRightRadius: 100, 
    borderBottomLeftRadius: 100, 
    borderBottomRightRadius: 100,
    WebkitBorderTopLeftRadius: 100, 
    WebkitBorderTopRightRadius: 100, 
    WebkitBorderBottomLeftRadius: 100, 
    WebkitBorderBottomRightRadius: 100, 
    MozBorderRadius: 100,
      height: 100,
      width: 100
  }, 2000);