ul.peers {
  --peer-size: 4rem;
  --peer-gap: 4rem;
  margin: 0;
  padding: 0;
  list-style-type: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--peer-size), 1fr));
  row-gap: var(--peer-row-gap, var(--peer-gap));
  column-gap: var(--peer-column-gap, var(--peer-gap));
  align-items: center;
}

li.peer {
  width: var(--peer-size);
  height: var(--peer-size);
  margin: 0;
  padding: 0;
  align-self: center;
  justify-self: center;
  display: flex;
  flex-direction: column;
}