open_in_new content_copy 
<div class="avatar circular-avatar text-avatar avatar-xx-lg">
    SK
</div>
<div class="avatar circular-avatar text-avatar avatar-x-lg">
    SK
</div>
<div class="avatar circular-avatar text-avatar avatar-lg">
    SK
</div>
<div class="avatar circular-avatar text-avatar avatar-md">
    SK
</div>
<div class="avatar circular-avatar text-avatar avatar-sm">
    SK
</div>
<div class="avatar circular-avatar text-avatar avatar-x-sm">
    SK
</div>