text: //Select DOM
  const slide = document.querySelector('.first');
  const arrowLeft = document.querySelector('.fa-angle-double-left');
  const arrowRight = document.querySelector('.fa-angle-double-right');
  
  //Events
  arrowRight.addEventListener('click', nextSlide)
  
  
  //Functions
  function nextSlide(){
      slide.style.marginLeft = '-50%'
  }