72crm-11.0-web/src/styles/org-tree.scss

.org-tree-company {
  color: #42526E;
  background-color: #ECEEF2;
  box-shadow: none !important;
  font-weight: 600;
  font-size: 12px;
}

.org-tree-department {
  color: #42526E;
  font-weight: 600;
  box-shadow: none !important;
  font-size: 12px;
  border: 2px solid #42526E;
  padding: 8px 15px !important;
}

.org-tree-node-label {
  cursor: pointer;
}

.org-tree-node:not(:last-child):after,
.org-tree-node:not(:first-child):before {
  border-top: 2px solid #42526E;
}

.org-tree-node:after,
.org-tree-node-children:before {
  border-left: 2px solid #42526E;
}