@collab-ui/core/scss/components/popover/examples/overflow.html

Cisco Collab UI CSS Framework

<div class="cui-event-overlay cui-event-overlay--arrow cui-event-overlay--bottom">
  <div class="cui-event-overlay__arrow" style="left: 448px; top: 180px; visibility: visible;"></div>
  <div class="cui-event-overlay__children" style="overflow: auto; top: 180px; left: 356px; bottom: -85px; max-height: 500px;">
    <span style="height: 3000px;">Popover(height: 3000px)</span>
  </div>
</div>