<header class="site-header" role="banner">
  <h1 class="brand"><a href="<?= esc_url(home_url('/')); ?>">
    <svg class="btf-logo" role="img" width="101" height="53"><use xlink:href="#btf-logo"></use></svg>
    </a></h1> 
    <nav class="site-nav -big" role="navigation">
      <?php
      if (has_nav_menu('primary_navigation')) :
        wp_nav_menu([
          'theme_location' => 'primary_navigation', 
          'menu_class' => 'nav',
          'depth' => 2,
        ]);
      endif;
      ?>
    </nav>
</header>
<header class="site-header" role="banner">
  <h1 class="brand"><a href="<?= esc_url(home_url('/')); ?>">
    <svg class="btf-logo" role="img"><use xlink:href="#btf-logo"></use></svg>
    </a></h1> 
    <nav class="site-nav -big" role="navigation">
      <?php
      if (has_nav_menu('primary_navigation')) :
        wp_nav_menu([
          'theme_location' => 'primary_navigation', 
          'menu_class' => 'nav',
          'depth' => 2,
        ]);
      endif;
      ?>
    </nav>
</header>
Remove height and width from heading brand sav
Remove height and width from heading brand sav