.banner-area-wrapper{overflow:hidden;position:relative}.banner-area-item{width:100%}.banner-next,.banner-prev{background:rgba(0,0,0,.4);border:none;color:#fff;cursor:pointer;padding:10px 15px;position:absolute;top:50%;transform:translateY(-50%);z-index:5}.banner-prev{left:10px}.banner-next{right:10px}