.reader-preview-locked {
  display: flow-root;
  margin: 2.5em 2em;
  padding: .85em 1rem;
  border-top: 1px solid rgb(128 128 128 / 50%);
  border-bottom: 1px solid rgb(128 128 128 / 50%);
  font-size: .95em;
}
.reader-preview-locked > :first-child,
.reader-preview-locked > :last-child {
  margin-top: 0;
  margin-bottom: 0;
}
@media(max-width:575.98px) {
  .reader-preview-locked {
    margin-right: 0;
    margin-left: 0;
  }
}