staylor / WordPress

				$classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID );

				$classes[] = 'author-' . $author->ID;

			}

		} elseif ( is_category() ) {

			$cat = $wp_query->get_queried_object();

			$classes[] = 'category';

			if ( isset( $cat->term_id ) ) {

				$cat_class = sanitize_html_class( $cat->slug, $cat->term_id );

				if ( is_numeric( $cat_class ) || ! trim( $cat_class, '-' ) ) {

					$cat_class = $cat->term_id;

				}

				$classes[] = 'category-' . $cat_class;

				$classes[] = 'category-' . $cat->term_id;

			}

		} elseif ( is_tag() ) {

			$tag = $wp_query->get_queried_object();

			$classes[] = 'tag';

			if ( isset( $tag->term_id ) ) {

				$classes[] = 'tag-' . $tag_class;

				$classes[] = 'tag-' . $tag->term_id;

			}

		} elseif ( is_tax() ) {

			$term = $wp_query->get_queried_object();

			if ( isset( $term->term_id ) ) {

				$term_class = sanitize_html_class( $term->slug, $term->term_id );

				if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) {

					$term_class = $term->term_id;

				}

				$classes[] = 'tax-' . sanitize_html_class( $term->taxonomy );

				$classes[] = 'term-' . $term_class;

				$classes[] = 'term-' . $term->term_id;

			}

		}

	} elseif ( is_page() ) {

		$classes[] = 'page';