.event {
  margin: 0 20px;
}
.event img {
  border-radius: 20%;
  border: 2px solid black;
  max-width: 100%;
  height: auto;
}
.event p {
  margin: 10px 25px;
}
@media screen and (max-width: 900px) {
  .event {
    margin: 0;
  }
  .event p {
    margin: 0 15px;
  }
}