modules/cms/client/img/svg/ui/add-block.svg
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="2 2 20 20">
<circle fill="#fff" r="9" cx="12" cy="12"/>
<path fill="#00ABFC" d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm5 11h-4v4h-2v-4H7v-2h4V7h2v4h4v2z"/>
</svg>