.slick-prev:before {
  content: '';
  background: url(../../img/arrow_pre.svg);
  width: 35px;
  height: 100px;
  background-repeat: no-repeat;
  display: inline-block;
  margin-left: 20px;
  background-size: 35px;
}

.slick-next:before {
  content: '';
  background: url(../../img/arrow_next.svg);
  background-size: cover;
  width: 35px;
  height: 100px;
  background-repeat: no-repeat;
  display: inline-block;
  background-size: 35px;
  margin-left: -40px;
}