.slick-slide {
    background-size: contain;
    background-position: center;
    background-color:transparent;
    background-repeat:no-repeat;
  }

.slider-nav {
  float: left;
  max-width: 400px;
  padding: 30px;
  text-align: center;
  width: 100%;
}

.slider-for {
  max-width:500px;
  padding:20px 15px;
  background-color: #eeeeee;
  float:left;
}

.slick-slide img {
    display: initial;
}

.slick-prev::before, .slick-next::before {
  -moz-osx-font-smoothing: grayscale;
  color: black;
  font-family: "slick";
  font-size: 20px;
  line-height: 1;
  opacity: 0.75;
  z-index: 999999;
}

.slick-prev {
  left: 20px;
}

.slick-next {
  right: 20px;
}