.field-diff {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.field-diff__column {
  flex: 1 1 0;
  min-width: 16rem;
}

@media (max-width: 640px) {
  .field-diff {
    flex-direction: column;
  }

  .field-diff__column {
    min-width: 0;
  }
}

.field-diff__column h6 {
  margin: 0 0 .5rem 0;
  font-size: .875rem;
  font-weight: 600;
}

.field-diff__author {
  margin: .5rem 0 0 0;
  color: #666;
  font-size: .8125rem;
}

.field-diff del {
  background: #fdb3b3;
  text-decoration: line-through;
  padding: 0 .15em;
  border-radius: 5px;
}

.field-diff ins {
  background: #4de74d;
  text-decoration: none;
  padding: 0 .15em;
  border-radius: 5px;
}