.logo-slider {
  overflow: hidden;
  width: 100%;
  background: #fff;
  padding: 20px 0;
}

.logo-track {
  display: flex;
  width: calc(200px * 20); /* 20 logos total */
  animation: scroll 20s linear infinite;
}

.logo-track img {
  width: 150px;
  height: auto;
  margin: 0 25px;
  /* filter: grayscale(100%); */
  transition: 0.3s;
}

.logo-track img:hover {
  filter: grayscale(0%);
  transform: scale(1.1);
}

/* Animation */
@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .logo-track img {
    width: 100px;
    margin: 0 15px;
  }
}

@media (max-width: 480px) {
  .logo-track img {
    width: 80px;
    margin: 0 10px;
  }
}