class: hide-count <div class="countdown" id="timer_60a575aa" style="top:0;right:0;bottom:0;left:0;margin:5%;font-size:8em;" data-warnwhen="0"> <code class="countdown-time"><span class="countdown-digits minutes">15</span><span class="countdown-digits colon">:</span><span class="countdown-digits seconds">00</span></code> </div> <style type="text/css"> .hide-count .remark-slide-number { display: none; } </style>