.about-card {
  padding-bottom: 13px;
}
.about-card div {
  text-align: center;
  padding-top: 48px;
  padding-bottom: 0;
}
.about-card div img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
}
.about-presentation {
  display: flex;
  gap: 45px;
  @media only screen and (max-width: 900px) {
    flex-direction: column;
  }
}
.about-presentation div {
  @media only screen and (max-width: 900px) {
    text-align: center;
    width: 100%;
  }
  width: 50%;
}