@keyframes expand-cancel {
  from { width: 0; opacity: 0; }
  to { width: 2.4rem; opacity: 1; }
}

.calendar-notifications--defaults {
  .calendar-notification__remove-btn {
    display: none;
    animation: expand-cancel 0.2s ease-in-out both;
  }
}

.calendar-notifications--multiple {
  .calendar-notification__remove-btn { display: block; }
}