JSFiddle - React, Tailwind, and code Playground

HTML

<div class="image-cropper">
    <img src="http://www.electricvelocity.com.au/Upload/Blogs/smart-e-bike-side_2.jpg" class="rounded" />
</div>

CSS

.image-cropper {
    max-width: 100px;
    height: auto;
    position: relative;
    overflow: hidden;
}
img {
    display: block;
    margin: 0 auto;
    height: auto;
    width: 100%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    border-radius: 50%;
}