.about-slider {
  width: 100%;
}

.about-slider-img {
  height: 286px;
}

.about-slider-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

@media screen and (max-width: 768px) {
  .about-slider-img {
    height: 180px;
  }
}