ngx-admin/src/app/@theme/components/header/header.component.scss

@import '../../styles/themes';
@import '~bootstrap/scss/mixins/breakpoints';
@import '~@nebular/theme/styles/global/bootstrap/breakpoints';

@include nb-install-component() {
  display: flex;
  justify-content: space-between;
  width: 100%;

  .left {
    display: flex;
    width: 100%;
    order: 0;
    flex-direction: row;
  }
  .right {
    order: 1;
    flex-direction: row-reverse;
  }

  .logo-containter {
    display: flex;
    align-items: center;
  }

  .control-item {
    display: block;
  }

  .header-container {
    display: flex;
    align-items: center;
    width: 100%;

    .navigation {
      @include nb-ltr(padding-right, nb-theme(padding));
      @include nb-rtl(padding-left, nb-theme(padding));
      font-size: 2.5rem;
      text-decoration: none;

      i {
        display: block;
      }

    }

    .logo {
      padding: 0 nb-theme(padding);
      font-size: 1.75rem;
      font-weight: nb-theme(font-weight-bolder);
      @include nb-ltr(border-left, 1px solid nb-theme(separator));
      @include nb-rtl(border-right, 1px solid nb-theme(separator));
      white-space: nowrap;

      span {
        font-weight: nb-theme(font-weight-normal);
      }
    }
  }

  ngx-layout-direction-switcher,
  ngx-theme-switcher {
    margin: 0 1em;
  }

  @include media-breakpoint-down(xl) {
    ngx-layout-direction-switcher {
      display: none;
    }
  }

  .toggle-layout /deep/ a {
    display: block;
    text-decoration: none;
    line-height: 1;

    i {
      color: nb-theme(color-fg-highlight);
      font-size: 2.25rem;
      border-radius: 50%;
      position: relative;
      animation-name: pulse-light;

      &::after {
        content: ' ';
        // hack to be able to set border-radius
        background-image: url('data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7');
        border-radius: 50%;
        pointer-events: none;

        position: absolute;
        top: 52.3%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 13%;
        height: 13%;

        animation: 3s linear infinite pulse;

        @include nb-for-theme(default) {
          animation-name: pulse-light;
        }
      }
    }
  }

  @include keyframes(pulse) {
    0% {
      box-shadow: 0 0 1px 0 rgba(nb-theme(color-fg-highlight), 0);
    }
    20% {
      box-shadow: 0 0 3px 10px rgba(nb-theme(color-fg-highlight), 0.4);
    }
    100% {
      box-shadow: 0 0 5px 20px rgba(nb-theme(color-fg-highlight), 0);
    }
  }

  @include keyframes(pulse-light) {
    0% {
      box-shadow: 0 0 1px 0 rgba(115, 255, 208, 0);
    }
    20% {
      box-shadow: 0 0 3px 10px rgba(115, 255, 208, 0.4);
    }
    100% {
      box-shadow: 0 0 5px 20px rgba(115, 255, 208, 0);
    }
  }

  @include media-breakpoint-down(md) {

    nb-action:not(.toggle-layout) {
      border: none;
    }

    .control-item {
      display: none;
    }

    .toggle-layout {
      padding: 0;
    }

    ngx-layout-direction-switcher,
    ngx-theme-switcher {
      display: none;
    }
  }

  @include media-breakpoint-down(sm) {

    nb-user /deep/ .user-name {
      display: none;
    }
  }

  @include media-breakpoint-down(is) {

    .header-container {
      .logo {
        font-size: 1.25rem;
      }
    }

    .toggle-layout {
      display: none;
    }

    nb-action:not(.toggle-layout) {
      padding: 0;
    }
  }

  @include media-breakpoint-down(xs) {
    .right /deep/ {
      display: none;
    }
  }
}