AdminLte/scss/dark/bootstrap/_nav.scss

// Base class

.nav-link {
  color: $nav-link-color-alt;

  &:hover,
  &:focus {
    color: $nav-link-hover-color-alt;
  }

  // Disabled state lightens text
  &.disabled {
    color: $nav-link-disabled-color-alt;
  }
}

//
// Tabs
//

.nav-tabs {
  border-bottom: $nav-tabs-border-width solid $nav-tabs-border-color-alt;

  .nav-link {
    // background: none;
    border: $nav-tabs-border-width solid transparent;

    &:hover,
    &:focus {
      border-color: $nav-tabs-link-hover-border-color-alt;
    }

    &.disabled {
      color: $nav-link-disabled-color-alt;
      background-color: transparent;
      border-color: transparent;
    }
  }

  .nav-link.active,
  .nav-item.show .nav-link {
    color: $nav-tabs-link-active-color-alt;
    background-color: $nav-tabs-link-active-bg-alt;
    border-color: $nav-tabs-link-active-border-color-alt;
  }
}


//
// Pills
//

.nav-pills {
  // .nav-link {
  //   background: none;
  //   border: 0;
  // }

  .nav-link.active,
  .show > .nav-link {
    color: $nav-pills-link-active-color-alt;
    @include gradient-bg($nav-pills-link-active-bg-alt);
  }
}