let oldMousedown

  let cookiesRevisor = document.getElementById('element-id-main')

  oldMousedown = cookiesRevisor.onmousedown

  cookiesRevisor.onmousedown = function () {

    const COOKIES_REVISOR_CLOSE = document.getElementsByClassName('element-class-inside-main')

    document.addEventListener('click', function (event) {

      for (let i = 0; i < COOKIES_REVISOR_CLOSE.length; i++) {

        if (COOKIES_REVISOR_CLOSE[i].contains(event.target)) {

          addCssElement(COOKIE_REVISOR, {

            'display': 'none'

          })

          break

        }

      }

    })

    if (oldMousedown) oldMousedown()

  }