<a href='https://api.twilio.com" . $recording->uri . "' target='newframe'>Play</a>
....
<iframe name='newframe' frameborder='0' height='150' width='300'></iframe>

<div style='display:inline-block;height:150px;overflow:hidden;border-radius:27px>
    <iframe name='newframe' frameborder='0' height='150' width='300'></iframe>
</div>

<div style='display:inline-block;height:54px;overflow:hidden;border-radius:27px>
    <iframe name='newframe' frameborder='0' height='54' width='300'></iframe>
</div>