.ms-marquee-container {
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}

.ms-marquee-track {
  display: inline-flex;
  will-change: transform;
}

.ms-marquee-track span {
  display: inline-block;
}

@keyframes ms-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-10%); }
}