mempool/frontend/src/app/components/master-page/master-page.component.scss

li.nav-item.active {
  background-color: #653b9c;
}

li.nav-item {
  padding: 10px;
}

.navbar {
  z-index: 100;
}

@media (min-width: 768px) {
  .navbar {
    padding: 0rem 1rem;
  }
}

.logo {
  margin-left: 30px;
}

li.nav-item a {
  color: #ffffff;
}