@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes scroll-right {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.animate-scroll-left {
  animation: scroll-left 20s linear infinite;
}
.animate-scroll-right {
  animation: scroll-right 20s linear infinite;
}