@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-250px * 10));
  }
}
.slider {
  height: 150px;
  margin: auto;
  overflow: hidden;
  position: relative;
  width: 100%;
}
.slider::before, .slider::after {
  background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
  content: "";
  height: 150px;
  position: absolute;
  width: 200px;
  z-index: 2;
}
.slider::after {
  right: 0;
  top: 0;
  transform: rotateZ(180deg);
}
.slider::before {
  left: 0;
  top: 0;
}
.slider .slide-track {
  animation: scroll 30s linear infinite;
  display: flex;
  width: calc(250px * 14);
}
.slider .slide {
  height: 150px;
  padding:15px;
  width: 250px;
	 display: flex;
  align-items: center;
  justify-content: center;
}