astra_comment_form_default_fields_markup( array $fields )

	function astra_comment_form_default_fields_markup( $fields ) {

		$commenter = wp_get_current_commenter();
		$req       = get_option( 'require_name_email' );
		$aria_req  = ( $req ? " aria-required='true'" : '' );

		$fields['author'] = '<div class="ast-comment-formwrap ast-row"><p class="comment-form-author ' . astra_attr( 'comment-form-grid-class' ) . '">' .
					'<label for="author" class="screen-reader-text">' . esc_html( astra_default_strings( 'string-comment-label-name', false ) ) . '</label><input id="author" name="author" type="text" value="' . esc_attr( $commenter['comment_author'] ) .
					'" placeholder="' . esc_attr( astra_default_strings( 'string-comment-label-name', false ) ) . '" size="30"' . $aria_req . ' /></p>';
		$fields['email']  = '<p class="comment-form-email ' . astra_attr( 'comment-form-grid-class' ) . '">' .
					'<label for="email" class="screen-reader-text">' . esc_html( astra_default_strings( 'string-comment-label-email', false ) ) . '</label><input id="email" name="email" type="text" value="' . esc_attr( $commenter['comment_author_email'] ) .
					'" placeholder="' . esc_attr( astra_default_strings( 'string-comment-label-email', false ) ) . '" size="30"' . $aria_req . ' /></p>';
		$fields['url']    = '<p class="comment-form-url ' . astra_attr( 'comment-form-grid-class' ) . '"><label for="url">' .
					'<label for="url" class="screen-reader-text">' . esc_html( astra_default_strings( 'string-comment-label-website', false ) ) . '</label><input id="url" name="url" type="text" value="' . esc_url( $commenter['comment_author_url'] ) .
					'" placeholder="' . esc_attr( astra_default_strings( 'string-comment-label-website', false ) ) . '" size="30" /></label></p></div>';

		return apply_filters( 'astra_comment_form_default_fields_markup', $fields );
	}