text: const header = (function() {
    const openBtn = document.querySelector('#no-js-btn-label')
    const responsiveHeader = document.querySelector('.responsive-header-no-js')
    let open = false
  
    openBtn.addEventListener('click', function() {
      const headerYPos = responsiveHeader.offsetTop
  
      if (open) {
        open = false
      } else {
        open = true
      }
  
      if (open) {
        setTimeout(window.scrollTo({
          behavior: 'smooth',
          top: headerYPos
        }),100);
      }
    })
  })()