stack-container > div {
  max-height: calc(100% - 40px);
  font-family: 'Jura', 'Courier New', monospace;
  overflow: scroll;
}

stack > div > span:last-of-type {
  font-weight: 900;
  color: #0ADCE6;
  border-left: 1px solid;
  padding-left: 3px;
  margin-left: 3px;
}