.ntg-marquee {
  overflow: hidden;
}
.ntg-marquee h1,
.ntg-marquee h2,
.ntg-marquee h3,
.ntg-marquee h4 {
  display: inline-block;
  white-space: nowrap;
  padding-left: 100%;
  animation: ntg-scroll 15s linear infinite;
}
@keyframes ntg-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}