( isset( $attributes['dimRatio'] ) && ( 0 !== $attributes['dimRatio'] ) ) {
			$classes[] = 'has-background-dim';

			if ( 50 !== $attributes['dimRatio'] ) {
				$classes[] = 'has-background-dim-' . 10 * round( $attributes['dimRatio'] / 10 );
			}
		}

		if ( isset( $attributes['contentAlign'] ) && 'center' !== $attributes['contentAlign'] ) {
			$classes[] = "has-{$attributes['contentAlign']}-content";
		}

		if ( isset( $attributes['overlayColor'] ) ) {
			$classes[] = "has-{$attributes['overlayColor']}-background-color";
		}

		if ( isset( $attributes['className'] ) ) {
			$classes[] = $attributes['className'];
		}

		return implode( ' ', $classes );
	}

	/**
	 * Returns the main product image URL.
	 *
	 * @param \WC_Product $product Product object.
	 * @param string      $size    Image size, defaults to 'full'.
	 * @return string
	 */
	public function get_image( $product, $size = 'full' ) {
		$image = '';
		if ( $product->get_image_id() ) {
			$image = wp_get_attachment_image_url( $product->get_image_id(), $size );
		} elseif ( $product->get_parent_id() ) {
			$parent_product = wc_get_product( $product->get_parent_id() );
			if ( $parent_product ) {
				$image = wp_get_attachment_image_url( $parent_product->get_image_id(), $size );
			}
		}

		return $image;
	}
}