.vitrine-container {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #000;
  display: flex;
  flex-direction: row;
  animation: slideshow 30s infinite;
}
.vitrine-slide {
  flex: 1 0 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
  padding: 20px;
}
.vitrine-slide img {
  max-height: 60vh;
  margin-bottom: 20px;
}
@keyframes slideshow {
  0%, 25% { transform: translateX(0); }
  30%, 55% { transform: translateX(-100%); }
  60%, 85% { transform: translateX(-200%); }
  90%, 100% { transform: translateX(0); }
}