.social-links-footer {
  margin-top: 4px;
}

.social-links-footer a {
  margin-right: 8px;
}

.social-links-footer img {
  width: 30px;
  height: 30px;
  opacity: 0.7;
  transition: 0.2s;
}

.social-links-footer img:hover {
  opacity: 1;
}