phone_app/app/assets/stylesheets/3-components/_navbar.scss

.navbar .nav-item {
  line-height: 3rem;

  a {
    text-decoration: none;
  }

  a:focus {
    outline: 0;
  }

  .dropdown-menu {
    line-height: $line-height-base;
  }

  .nav-link {
    font-weight: $font-weight-bold;

    .fas,
    .far,
    .fal,
    .fab {
      font-size: 1.125rem;
    }

    &:after {
      display: none;
    }
  }
}

@include media-breakpoint-down(xs) {
  .navbar {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .dropdown,
  .dropleft,
  .dropright,
  .dropup {
    position: inherit;
  }

  .navbar-expand .navbar-nav .dropdown-menu-lg {
    min-width: 100%;
  }
}

.navbar-brand {
  svg {
    width: 32px;
    height: 32px;
    fill: lighten($primary, 5%);
  }
}

.navbar-theme {
  .navbar-brand {
    color: $navbar-theme-brand-color;

    @include hover-focus {
      color: $navbar-theme-brand-hover-color;
    }
  }

  .navbar-nav {
    .nav-link {
      color: $navbar-theme-color;

      @include hover-focus {
        color: $navbar-theme-hover-color;
      }

      &.disabled {
        color: $navbar-theme-disabled-color;
      }
    }

    .show > .nav-link,
    .active > .nav-link,
    .nav-link.show,
    .nav-link.active {
      color: $navbar-theme-active-color;
    }
  }

  .navbar-toggler {
    color: $navbar-theme-color;
    border-color: $navbar-theme-toggler-border-color;
  }

  .navbar-toggler-icon {
    background-image: $navbar-theme-toggler-icon-bg;
  }

  .navbar-text {
    color: $navbar-theme-color;
    a {
      color: $navbar-theme-active-color;

      @include hover-focus {
        color: $navbar-theme-active-color;
      }
    }
  }
}

.nav-item {
  .indicator {
    background: $warning;
    box-shadow: $box-shadow;
    border-radius: 50%;
    display: block;
    height: 9px;
    width: 9px;
    position: absolute;
    top: 18px;
    right: 0;
    transition: top .1s ease-out;
  }

  &:hover .indicator {
    top: 15px;
  }

  a:focus {
    outline: 0;
  }
}