/* Container for sliding effect */
.mask-wrap {
    position: relative;
    height: 150px;
    overflow: hidden;
  }
  
  /* The list that moves */
  .brand-partner .brand-list {
    list-style: none;
    animation: slideUpDown 1.5s ease-in-out infinite alternate;
    animation-delay: 1s;
  }
  
  /* List items (logos) */
  .brand-list li {
    padding: 10px 0;
    text-align: center;
  }
  
  .brand-list img {
    max-width: 100px;
    height: auto;
  }
  
  /* Keyframes to slide list up and down */
  @keyframes slideUpDown {
    0% {
      transform: translateY(0);
    }
    100% {
      transform: translateY(-100%);
    }
  }