.pna-certifications {
  position: relative;
  overflow: hidden;
}
.pna-certifications .pna-certifications-slider {
  /* animation: scroll-left 10s linear infinite;  */
  white-space: nowrap;
}
.pna-certifications .pna-certifications-slider .slick-track {
  display: flex;
  align-items: center;
}
.pna-certifications .pna-certifications-item-holder {
  display: inline-block;
  padding: 0 20px;
  width: 33.33%; 
}
.pna-certifications .pna-certifications-item-holder img {
  max-height: 190px;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .pna-certifications .pna-certifications-item-holder {
    width: 20%; 
  }
}
@media (min-width: 992px) {
  .pna-certifications .pna-certifications-item-holder {
    width: 15%;
  }
}
@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}