.showdown-preview-overlay {
  position: absolute;
  top: 0;
  height: 100%;
  width: 100%;
  overflow: scroll;
  z-index: 100;
  background-color: #e0f9eb;
  padding: 0.7em;
  border: 1px solid #79b490;
}

.markdown-cheatsheet > tbody > tr > td:first-of-type {
  font-family: Consolas,monospace;
}
.markdown-table, .markdown-table th, .markdown-table td {
  border: 1px solid darkgrey;
}
.markdown-table th, .markdown-table td {
  padding-left: 2px;
  padding-right: 2px;
}