select { margin-left: 0.5ch }
.index {
  color: #383838; /*38 Special*/
  font: 1.1em Inconsolata, monospace; /*bigger for visibility*/
  letter-spacing: calc(0.062em / 2);
  line-height: calc(1.1em * 2.0);
  margin-left: 1ch;
  vertical-align: middle;
}