.reveal pre {
  font-size: 0.55em;
  max-height: 620px;
  overflow-y: auto;
  overflow-x: auto;
  width: 100%;
  box-sizing: border-box;
}

.reveal pre code {
  max-height: inherit;
  white-space: pre;
}

/* Override pandoc's "overflow: visible" on .sourceCode (see pandoc #7635) */
.reveal .sourceCode {
  overflow: auto !important;
}

.reveal div.sourceCode {
  overflow-x: auto;
  max-width: 100%;
}