.replies {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: 30px 0 0;
  text-align: center;
  transition: all .3s cubic-bezier(0.175, 0.885, 0.595, 1.650);

  &.empty {
    opacity: 0;
    transform: translate(0, 80px);
  }
}