new.anwisystems.com/enterprise/assets/sass/components/slider/_single-product-sync-nav.scss

/******************************** 
    countdown-sync-nav Slider
 ********************************/

.countdown-sync-nav {
  max-width: 80%;
  margin: auto;
}

// theme1
.theme1 {
  .product-sync-nav {
    // max-width: 90%;
    margin: 0 auto;
    .slick-slide {
      padding: 0 5px;
      .product-thumb {
        border: 1px solid transparent;
        &:hover {
          border-color: $theme-color;
        }
        img {
          width: 100%;
        }
      }
      &.slick-current {
        .product-thumb {
          border-color: $theme-color;
        }
      }
    }
  }
}

.has-opacity {
  .slick-slide {
    img {
      opacity: 0.3;
    }
    &.slick-current.slick-active {
      img {
        opacity: 1;
      }
    }
  }
}

/******************************** 
    countdown-sync-nav Slider End
 ********************************/