.timeline{
  border-left:3px solid var(--accent);
  padding-left:20px;
}

.timeline-item{
  margin-bottom:20px;
  position:relative;
}

.timeline-item::before{
  content:"";
  width:12px;
  height:12px;
  background:var(--accent);
  border-radius:50%;
  position:absolute;
  left:-27px;
  top:6px;
}