.about-avatar {
  width: 11rem;
  height: 11rem;
}

.about-avatar img {
  object-fit: contain;
  object-position: center;
  background-color: #fff2b3;
}

@media (max-width: 768px) {
  .about-avatar {
    width: 9.5rem;
    height: 9.5rem;
  }
}