* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #fff;
  padding: 20px;
}

section {
  column-count: 4;
  column-gap: 10;
}

img {
  width: 100%;
  border-radius: 5px;
  margin-bottom: 10px;
}

@media screen and (min-width: 320px) and (max-width: 480px) {
  section {
    column-count: 1;
  }
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
  section {
    column-count: 2;
  }
}
