/* --- Active styling --- */
.md-nav__item--active > .md-nav__link {
  background-color: #bbdefb;
  border-left: 4px solid #42a5f5;
}

.md-nav__item--level-1.md-nav__item--active > .md-nav__link {
  background-color: #e3f2fd;
  border-left: 4px solid #1976d2;
}