:root {
  --timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  --animation-duration: 250ms;
}

body {
  background-color: #f5f5f5;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: 156px;
}
.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1128px;
  justify-content: center;
}
.gallery-item {
  flex-basis: calc((100% - 48px) / 3);
  box-shadow: 0px 1px 3px 0px rgba(0, 0, 0, 0.2),
    0px 1px 1px 0px rgba(0, 0, 0, 0.14), 0px 2px 1px -1px rgba(0, 0, 0, 0.12);
}
.gallery-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--animation-duration) var(--timing-function);
}
.gallery-link:hover .gallery-image,
.gallery-link:focus .gallery-image {
  transform: scale(1.03);
}
.gallery-link {
  display: block;
  text-decoration: none;
  height: 100%;
}