.highway-slider {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 1146px;
  margin: 0 auto;
}

.highway-barrier {
  overflow: hidden;
  position: relative;
  transition: all 0.3s ease;
  padding: 56px 0;
}

@media screen and (max-width: 960px) {
  .highway-barrier {
    padding: 40px 0;
  }
}

.highway-lane {
  display: flex;
  height: 100%;
  gap: 50px;
}

.highway-car {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

@-webkit-keyframes translatestf {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-500%);
  }
}

@keyframes translatestf {
  0% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-500%);
  }
}

.highway-car {
  -webkit-animation: translatestf 30s linear infinite;
          animation: translatestf 30s linear infinite;
}

@-webkit-keyframes translateinfinite {
  100% {
    transform: translateX(calc(-180px * 12));
  }
}

@keyframes translateinfinite {
  100% {
    transform: translateX(calc(-180px * 12));
  }
}

.highway-barrier::before,
.highway-barrier::after {
  content: " ";
  position: absolute;
  z-index: 9;
  width: 180px;
  height: 100%;
}

.highway-barrier::before {
  top: 0;
  left: 0;
  background: linear-gradient(to right, #ffffff 0%, rgba(255, 255, 255, 0) 50%);
}

.highway-barrier::after {
  top: 0;
  right: 0;
  background: linear-gradient(to left, #ffffff 0%, rgba(255, 255, 255, 0) 50%);
}

.highway-car {
  width: 100%;
  -webkit-animation: translateinfinite 25s linear infinite;
          animation: translateinfinite 25s linear infinite;
}