text: const navLinks=document.querySelector('.nav-links');
  const hamburgerBtn=document.querySelector('.hamburger-btn');
  const toggleImg=document.querySelector('#toggle-img')
  hamburgerBtn.addEventListener('click',()=>{
      navLinks.classList.toggle('open');
      isOpen=navLinks.classList.contains('open')
      if(isOpen){
  toggleImg.src='img/icon-close.svg'
      }
      else{
          toggleImg.src='img/icon-hamburger.svg'
      }
  })