section img{
  max-width: 100%;
}
.images{
  margin: 0 auto;
}
.images ul{
  display: flex;
  margin: 40px 0 80px 0;
  padding: 0;
  list-style: none;
}
.images li{
  flex: 1 1 auto;
  margin-right: 8px;
}
li:last-of-type{
  margin-right: 0;
}