@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-250px * 6)); }
  }
  
  .slider {
    background: #121212;;
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, .125);
    height: 100px;
    margin: auto;
    overflow: hidden;
    position: relative;
    width: 100%;
  }
  
  .slider::before,
  .slider::after {
    background: linear-gradient(to right, rgb(73 14 0) 0%, rgba(255, 255, 255, 0) 100%);
    content: "";
    height: 100px;
    position: absolute;
    width: 200px;
    z-index: 2;
  }
  
  .slider::after {
    right: 0;
    top: 0;
    transform: rotateZ(180deg);
  }
  
  .slider::before {
    left: 0;
    top: 0;
  }
  
  .slide-track {
    animation: scroll 40s linear infinite;
    display: flex;
    width: calc(250px * 12);
  }
  
  .slide {
    height: 100px;
    width: 250px;
  }

  @media screen and (max-width: 991px) {
    .slider::before,
    .slider::after {
      background: linear-gradient(to right, rgb(0 0 0 / 0%) 0%, rgba(255, 255, 255, 0) 100%);
      content: "";
      height: 100px;
      position: absolute;
      width: 200px;
      z-index: 2;
    }
  }