$(function () {
  setTimeout(function () {
      setTimeout(() => {
          windowonresize()
          // $(".loading").fadeOut()
          $("body").css("opacity","1")
      }, 1000);
      windowonresize()
      var thickness = "<div class='thickness'></div><div class='thickness_left'></div>"
      $('.flipbook').append(thickness)
      isIOS()
      // $('.page-wrapper').append(thickness)
      // updateDepth()
  }, 500)
})