.overlay {
  position: absolute;
  top: 2em;   /* adjust so it sits nicely over bullets */
  left: 0;
  right: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 1); /* solid black */
  padding: 1em;
  border-radius: 8px;
}

.step-hold { display:block; width:0; height:0; }