.previews a > small {
  color: #536c70;
  display: block;
  font-size: 13px;
  line-height: 1.55;
  margin-top: 6px;
}

@media (max-width: 650px) {
  .previews a > small {
    margin-left: auto;
    margin-right: auto;
    max-width: 340px;
    text-align: center;
  }
}