.logo-slider {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  width: 100%;
}

.logo-slide {
  display: inline-block;
  animation: slide 20s linear infinite;
}

.logo-slide img {
  height: 90px;
  margin: 0 40px;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.logo-slide img:hover {
  opacity: 1;
}

@keyframes slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* duplicate slide for seamless infinite effect */
.logo-track {
  display: inline-block;
}