JSFiddle - React, Tailwind, and code Playground

HTML

<div class="coin"></div>
<div class="instructions">click to flip</div>

CSS

body {
  padding-top: 20px;
}
.coin{
    display: block;
    background: url("http://coins.thefuntimesguide.com/images/blogs/presidential-dollar-coin-reverse-statue-of-liberty-public-domain.png");
    background-size: 100% 100%;
    width: 100px;
    height: 100px;
    margin: auto;
    border-radius: 100%;
    transition: all 500ms linear;
}
.flip {
    transform: rotateY(180deg);
}
.instructions {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

JavaScript

$('.coin').click(function() {
	$(this).toggleClass('flip');
});