body {
  background-color: black;
  margin: 0;
}


div > div.vertical-timeline {
  margin: 2em auto;
}

@media only screen and (min-width: 1170px) {
  div > div.vertical-timeline.vertical-timeline--two-columns {
    margin-top: 3em;
    margin-bottom: 3em;
  }
}