#work_slider .slick-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumbs_list {
  display: flex;
  justify-content: center;
  padding: 0;
}
.thumbs_list li {
  display: inline-block;
  width: 80px;
  height: 80px;
  opacity: 0.4;
  cursor: pointer;
  transition: opacity 0.3s;
  margin: 0 10px;
}
.thumbs_list li.slick-active {
  opacity: 1;
}

@media only screen and (max-width: 1023px) {
  .thumbs_list li {
    width: 60px;
    height: 60px;
  }
}

@media only screen and (max-width: 767px) {
  .thumbs_list li {
    width: 100px;
    height: 100px;
  }
}

@media only screen and (max-width: 540px) {
  .thumbs_list li {
    width: 80px;
    height: 80px;
  }
}

@media only screen and (max-width: 440px) {
  .thumbs_list li {
    width: 60px;
    height: 60px;
  }
}