.bx-wrapper{
	position:relative;
}

.bx-wrapper .bx-controls-direction a {
    position: absolute;
    top: 30%;
    margin-top: -16px;
    outline: 0;
    width: 32px;
    height: 32px;
    text-indent: -9999px;
    z-index: 9999;
}

.bx-controls .bx-controls-direction a {
  width: 50px;
  height: 50px;
  margin-top: -25px;
  border: 2px solid #fff;
  background-color: #fff;
  background-image: url(https://img.shop-pro.jp/tmpl_img/78/carousel_ctrl.png);
}


.bx-prev {
    left: 0;
    border-left: none;
    background-position: bottom left;
}

 .bx-next {
  right: 0;
  border-right: none;
  background-position: bottom right;
}