#concept-slider {
  position: relative;
  width: 100%;
  height: 200px;
  text-align: center;
  font-size: 2rem;
  overflow: hidden;
}

.message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.message.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}