@-webkit-keyframes scroll {
  0% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }

  100% {
    -webkit-transform: translateX(calc(-250px * 3));
    transform: translateX(calc(-250px * 3));
  }
}

@keyframes scroll {
  0% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }

  100% {
    -webkit-transform: translateX(calc(-250px * 3));
    transform: translateX(calc(-250px * 3));
  }
}

.slider {
  background: white;
  height: 160px;
  margin: auto;
  overflow: hidden;
  position: relative;
  width: 100%
}

.slider::before,
.slider::after {
  background: linear-gradient(to right, white 0%, rgba(255, 255, 255, 0) 100%);
  content: "";
  height: 150px;
  position: absolute;
  width: 2px;
  z-index: 2;
}

.slider::after {
  right: 0;
  top: 0;
  -webkit-transform: rotateZ(180deg);
  transform: rotateZ(180deg);
}

.slider::before {
  left: 0;
  top: 0;
}

.slider .slide-track {
  -webkit-animation: scroll 200s linear infinite;
  animation: scroll 200s linear infinite;
  display: flex;
  calc(250px * 14);
  /*width: 200%; */
}

.slider .slide {
  height: 150px;
  width: 250px;
  padding: 10px;
}