main {
  --hover-color: #a71836;
}
.breadcrumb a {
  color: #a71836;
}
.tree ul {
  margin-left: 1rem;
  padding-left: 1rem;
  border-left: 1px solid #a71836;
}
.tree > li:before {
  display: none;
}
.tree li {
  margin: 0.25rem 0;
  position: relative;
}
.tree li:before {
  content: "";
  position: absolute;
  top: 0.75rem;
  left: -1rem;
  width: 1rem;
  border-top: 1px solid #a71836;
}