File: //var/www/wintergenomics_site/wp-content/themes/radcliffe/header.php
<!DOCTYPE html>
<html class="no-js" <?php language_attributes(); ?>>
	<head>
		<meta http-equiv="content-type" content="<?php bloginfo( 'html_type' ); ?>" charset="<?php bloginfo( 'charset' ); ?>" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<link rel="profile" href="//gmpg.org/xfn/11">
		<?php wp_head(); ?>
	</head>
	<body <?php body_class(); ?>>
		<?php
		if ( function_exists( 'wp_body_open' ) ) {
			wp_body_open();
		}
		?>
		<a class="skip-link button" href="#site-content"><?php esc_html_e( 'Skip to the content', 'radcliffe' ); ?></a>
		<div class="header-search-block section light-padding hidden">
			<div class="section-inner">
				<?php get_search_form(); ?>
			</div>
		</div>
		<header class="header section light-padding" id="site-header">
			<div class="header-inner section-inner">
				<?php
				$custom_logo_id 	= get_theme_mod( 'custom_logo' );
				$legacy_logo_url 	= get_theme_mod( 'radcliffe_logo' );
				$title_element 		= is_front_page() && is_home() ? 'h1' : 'div';
				if ( $custom_logo_id  || $legacy_logo_url ) :
					$custom_logo_url = $custom_logo_id ? wp_get_attachment_image_url( $custom_logo_id, 'full' ) : $legacy_logo_url; ?>
					<<?php echo $title_element; ?> class="blog-logo">
						<a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home">
							<span class="screen-reader-text"><?php echo get_bloginfo( 'title' ); ?></span>
							<img src="<?php echo esc_url( $custom_logo_url ); ?>">
						</a>
					</<?php echo $title_element; ?>>
				<?php elseif ( get_bloginfo( 'title' ) ) : ?>
					<<?php echo $title_element; ?> class="blog-title">
						<a href="<?php echo esc_url( home_url() ); ?>" rel="home"><?php echo get_bloginfo( 'title' ); ?></a>
					</<?php echo $title_element; ?>>
				<?php endif; ?>
				<button class="nav-toggle">
					<p><?php _e( 'Menu', 'radcliffe' ); ?></p>
					<div class="bars">
						<div class="bar"></div>
						<div class="bar"></div>
						<div class="bar"></div>
					</div>
				</button>
				<ul class="main-menu">
					<?php if ( has_nav_menu( 'primary' ) ) {
						$menu_args = array(
							'container' 		=> '',
							'items_wrap' 		=> '%3$s',
							'theme_location' 	=> 'primary'
						);
						wp_nav_menu( $menu_args );
					} else {
						$list_pages_args = array(
							'container' => '',
							'title_li' 	=> ''
						);
						wp_list_pages( $list_pages_args );
					} ?>
					<li class="search-toggle-menu-item">
						<a href="#" class="search-toggle">
							<span class="screen-reader-text"><?php _e( 'Show the search field', 'radcliffe' ); ?></span>
						</a>
					</li>
				</ul>
			</div><!-- .header -->
		</header><!-- .header.section -->
		<div class="mobile-menu-container hidden">
			<ul class="mobile-menu">
				<?php
				if ( has_nav_menu( 'primary' ) ) {
					wp_nav_menu( $menu_args );
				} else {
					wp_list_pages( $list_pages_args );
				}
				?>
			 </ul><!-- .mobile-menu -->
			 <?php get_search_form(); ?>
		</div><!-- .mobile-menu-container -->