.highlight {
  margin: 0 0 $margin-m-2 0;
}
.highlight .line {
  width: $margin-l-2;
}
td.gutter {
  width: $margin-m-2;
  position: -webkit-sticky;
  position: sticky;
  left: 0;
}
td.gutter pre {
  overflow-x: visible;
}
td span {
  line-height: $margin-s-2;
}
pre {
  margin: 0;
  overflow-x: auto;
}