.b-tm-wrapper {
  position: relative;
  overflow: hidden;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  --tm-speed: 10s;
  max-width: none;
  box-sizing: border-box;
}

.b-tm-track {
  display: flex;
  white-space: nowrap;
  animation: tm-scroll var(--tm-speed) linear infinite;
}

.b-tm-wrapper.reverse .b-tm-track {
  animation-direction: reverse;
}

.b-tm-item {
  display: inline-block;
  margin-right: 2rem;
}

@keyframes tm-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}