Анатолий Жаров

.image {
  width: 30%;
  background-image: url(https://pp.userapi.com/c824201/v824201969/173426/YW0DIgHPsvw.jpg?ava=1);
  background-size: cover;
  background-position: center;
}

.image:after {
  content: ' ';
  display: block;
  padding-top: 100%;
}

.images-container {
  display: flex;
}

.image {
    width: 100px;
    height: 0;
    padding-top: 60%;
    background-image: url(url-to-image);
    background-size: cover;
}