#system-tab .nav-link {
  font-weight: 500;
}
#system-tab .nav-link#tab-invoice {
  color: #0d6efd;
}
#system-tab .nav-link#tab-invoice.active {
  color: #0d6efd;
  border-bottom-color: #0d6efd;
}
#system-tab .nav-link#tab-seisandaka {
  color: #00897B;
}
#system-tab .nav-link#tab-seisandaka.active {
  color: #00897B;
  border-bottom-color: #00897B;
}