Edit File: site-header.php
<?php /** * Displays the site header. * * @package WordPress * @subpackage Twenty_Twenty_One * @since Twenty Twenty-One 1.0 */ $wrapper_classes = 'site-header'; $wrapper_classes .= has_custom_logo() ? ' has-logo' : ''; $wrapper_classes .= ( true === get_theme_mod( 'display_title_and_tagline', true ) ) ? ' has-title-and-tagline' : ''; $wrapper_classes .= has_nav_menu( 'primary' ) ? ' has-menu' : ''; ?> <header id="masthead" class="<?php echo esc_attr( $wrapper_classes ); ?>"> <?php get_template_part( 'template-parts/header/site-branding' ); ?> <?php get_template_part( 'template-parts/header/site-nav' ); ?> </header><!-- #masthead -->