JSFiddle - React, Tailwind, and code Playground

HTML

<div class="activity_rounded"><img src="http://placehold.it/100" /></div>

CSS

.activity_rounded {
    display: inline-block;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    -khtml-border-radius: 50%;
    border: 3px solid #fff;
}

.activity_rounded img  {
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    -khtml-border-radius: 50%;
    vertical-align: middle;
    behavior: url(css/PIE.htc);
}

body {
    background-color: #999;
}