@keyframes scroll-left {
  0% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  100% {
    -webkit-transform: translateX(calc(-250px * 7));
    transform: translateX(calc(-250px * 7));
  }
}

.slider-left {
  background: pr;
  height: 180px;
  margin-left: auto;
  overflow: hidden;
  position: relative;
  margin-right: auto;
  width: 100%;
  margin-top: 40px;
}

.slider-left::before, .slider-left::after {
  background: linear-gradient(to right, #351e29 0%, rgba(4,1,19,0) 100%);
  content: "";
  height: 180px;
  position: absolute;
  width: 200px;
  z-index: 2;
}

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

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

.slider-left .slide-track-left {
  -webkit-animation: scroll-left 60s linear infinite;
  animation: scroll-left 60s linear infinite;
  display: flex;
  width: calc(250px * 14);
}

.slider-left .slide {
  height: 180px;
  width: 250px;
}