.nav-tabs .nav-link.active {
  background-color: #007bff !important;
  color: white !important;
  border-color: #0056b3 !important;
}

/* Tracking vertical timeline */
.timeline {
  position: relative;
  list-style: none;
  margin-left: 10px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0px;
  top: 0;
  height: 100%;
  width: 3px;
  background: #28a745;
}
.timeline-item {
  position: relative;
  padding-left: 40px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 16px;
  width: 16px;
  height: 16px;
  background: #ffffff;
  border: 3px solid #28a745;
  border-radius: 50%;
  z-index: 1;
}
.timeline-item:first-child::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 16px;
  width: 16px;
  height: 16px;
  background: #28a745;
  border: 3px solid #28a745;
  border-radius: 50%;
  z-index: 1;
}