tabler/scss/ui/_breadcrumbs.scss

.breadcrumb {
  margin: 0;
  padding: 0;
  background: transparent;
}

.breadcrumb-item {
  &.active {
    a {
      color: inherit;
      pointer-events: none;
    }
  }
}

@each $name, $symbol in $breadcrumb-variants {
  .breadcrumb-#{$name} {
    .breadcrumb-item + .breadcrumb-item::before {
      content: $symbol;
    }
  }
}

.breadcrumb-alternate {
  a {
    color: $text-muted;
  }
}