grafana/public/sass/components/_page_header.scss

.page-header-canvas {
  background: $page-header-bg;
  box-shadow: $page-header-shadow;
  border-bottom: 1px solid $page-header-border-color;
}

.page-header {
  padding: 2.5rem 0 0 0;

  .btn {
    float: right;
    margin-left: 1rem;

    // better align icons
    .fa {
      position: relative;
      top: 1px;
    }
  }
}

.page-header__inner {
  flex-grow: 1;
  display: flex;
  margin-bottom: 2.5rem;
}

.page-header__title {
  font-size: $font-size-h2;
  margin-bottom: 1px;
  padding-top: $spacer;
}

.page-header__img {
  position: relative;
  top: 10px;
  height: 50px;
}

.page-header__icon {
  font-size: 50px;
  width: 50px;
  height: 50px;
  position: relative;

  &.fa {
    top: 10px;
  }

  &.gicon {
    top: 10px;
  }

  &.icon-gf {
    top: 3px;
  }
}

.page-header__logo {
  margin: 0 $spacer;
}

.page-header__sub-title {
  color: $text-muted;
}

.page-header-stamps-type {
  color: $link-color-disabled;
  text-transform: uppercase;
}

.page-header__select-nav {
  margin-bottom: 10px;
  max-width: 100%;

  @include media-breakpoint-up(lg) {
    display: none;
  }
}

.page-header__tabs {
  display: none;
  @include media-breakpoint-up(lg) {
    display: block;
  }
}

.page-breadcrumbs {
  display: flex;
  padding: 10px 0;
  line-height: 0.5;
}

.breadcrumb {
  display: inline-block;
  box-shadow: 0 0 15px 1px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  border-radius: 5px;
  counter-reset: flag;
}

.breadcrumb-item {
  @include gradientBar($btn-inverse-bg, $btn-inverse-bg-hl, $btn-inverse-text-color);

  text-decoration: none;
  outline: none;
  display: block;
  float: left;
  font-size: 12px;
  line-height: 30px;
  padding: 0 7px 0 37px;
  position: relative;
  box-shadow: $card-shadow;

  &:first-child {
    padding-left: 10px;
    border-radius: 5px 0 0 5px; /*to match with the parent's radius*/
    font-size: 18px;
  }

  &:first-child::before {
    left: 14px;
  }

  &:last-child {
    border-radius: 0 5px 5px 0; /*this was to prevent glitches on hover*/
    padding-right: 20px;
  }

  &.active,
  &:hover {
    background: #333;
    background: linear-gradient(#333, #000);
  }

  &.active::after,
  &:hover::after {
    background: #333;
    background: linear-gradient(135deg, #333, #000);
  }

  &::after {
    content: '';
    position: absolute;
    top: 0;
    right: -14px; // half of square's length

    // same dimension as the line-height of .breadcrumb-item
    width: 30px;
    height: 30px;

    transform: scale(0.707) rotate(45deg);
    // we need to prevent the arrows from getting buried under the next link
    z-index: 1;

    // background same as links but the gradient will be rotated to compensate with the transform applied
    background: linear-gradient(135deg, $btn-inverse-bg, $btn-inverse-bg-hl);

    // stylish arrow design using box shadow
    box-shadow: 2px -2px 0 2px rgb(35, 31, 31), 3px -3px 0 2px rgba(255, 255, 255, 0.1);

    // 5px - for rounded arrows and
    // 50px - to prevent hover glitches on the border created using shadows*/
    border-radius: 0 5px 0 50px;
  }

  // we dont need an arrow after the last link
  &:last-child::after {
    content: none;
  }
}