.banner .slick-prev{z-index:1000;width:34px;top:50%;height:94px;background-size:100% auto;position:absolute;left:50px;z-index:1000;transform:translateY(-50%);}
.banner .slick-next{z-index:1000;width:34px;top:50%;height:94px;background-size:100% auto;position:absolute;right:50px;z-index:1000;transform:translateY(-50%);}


@media (max-width: 767px){
  .banner .slick-prev{top:26%;}
  .banner .slick-next{top:26%;}
}

@media (max-width: 540px){
  .banner .slick-prev{top:20%;}
  .banner .slick-next{top:20%;}
}