pre {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  font-size: 0.9rem;
  margin: 8px 0;
  padding: 1em 0.75em;
  border: 1px solid #e6e6e6;
  border-radius: 2px;
}
li pre {
  margin: 0 0 10px 0;
  padding: 1em 0.75em;
  font-size: 0.9rem;
  border: 1px solid #e6e6e6;
  border-radius: 2px;
}
pre,
code {
  background-color: #f8f8f8;
  overflow: auto;
}