.section-timeline-wrapper {
  position: absolute;
  width: 15%;
  left: 2%;
  z-index: 99;
}

.timeline {
  width: 15%;
  position: fixed;
  background-color: #ddd;
  padding: 2em;
  top: 35%;
}

.timeline li {
  list-style: none;
  padding-bottom: 50px;
  position: relative;
  display: flex;
}

.timeline li .inner-circle {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid #333;
  display: none;
  margin: 0 auto;
  background-color: black;
  align-self: center;
  justify-content: center;
}

.timeline li .circle {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid #333;
  display: inline-flex;
  margin-right: 10px;
}

.timeline li a {
  color: #000;
  font-size: 1em;
}

.timeline li a:focus,
.timeline li a:hover {
  color: #343a40;
  font-weight: bold;
  text-decoration: none !important;
}

.timeline li::after {
  content: '';
  position: absolute;
  width: 3px;
  background-color: #333;
  top: 25px;
  bottom: 5px;
  left: 6px;
}

.timeline li:last-child::after {
  display: none;
}

.timeline .active {
  display: flex;
}

.timeline .active .inner-circle {
  display: inline-block !important;
}

#main-wrapper {
  position: relative;
}