JSFiddle - React, Tailwind, and code Playground

HTML

<div class="image-cropper">
    <img src="http://www.amplement.fr/img/profile/5549cb3148722.jpg" class="rounded" />
</div>
<br/><br/>
        <img src="http://www.amplement.fr/img/profile/5549cb3148722.jpg" width="100" height="100" class="radius-50" />

CSS

.radius-50{
        -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    border-radius: 50%;

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