JSFiddle - React, Tailwind, and code Playground

HTML

<div class="circle-image">
</div>

CSS

.circle-image{
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    background-image: url("http://i.stack.imgur.com/lCp2t.png");
    display: block;
    border:3px solid purple;
    position:relative;
}

.circle-image:before{
    content:'';
    display:block;
    border:10px solid transparent;
    border-top-color:purple;
    position:absolute;
    right:-5px;
    top:5px;
    transform:rotate(15deg);
    -moz-transform:rotate(15deg);
    -webkit-transform:rotate(15deg);
    -ms-transform:rotate(15deg);
    -o-transform:rotate(15deg);
}