text: "use strict";
  
  var btn = document.querySelector('.header__btn');
  var burger = document.querySelector('.header__burger');
  var header = document.querySelector('.header__nav-container-mobile');
  var nav = document.querySelector('.header__nav-mobile');
  var contato = document.querySelectorAll('.header__nav-mobile .header__item')[3];
  
  var activeBars = function activeBars() {
    burger.classList.toggle('--burger');
    nav.classList.toggle('--header-nav-active');
    btn.classList.toggle('--header-btn-active');
    header.classList.toggle('--header-mobile-active');
  };
  
  btn.addEventListener('click', activeBars);
  contato.addEventListener('click', activeBars);