woocommerce/plugins/woocommerce-admin/client/components/header/style.scss

/** @format */

.woocommerce-header {
	background: $white;
	display: flex;
	justify-content: space-between;
	flex-direction: row;
	align-items: center;
	box-sizing: border-box;
	background: $white;
	border-bottom: 1px solid $gray;

	.woocommerce-header__breadcrumbs {
		font-size: 13px;

		span {
			display: inline-block;
		}

		span + span::before {
			content: ' / ';
			color: $gray-text;
			margin: 0 2px 0 6px;
		}
	}
}

.woocommerce-header__buttons {
	display: flex;
	flex-direction: row;
	align-items: center;
}