@keyframes bg-scrolling-reverse {
  100% { background-position: 2560px -640px; }
}

@keyframes bg-scrolling {
  0% { background-position: 2560px 640px; }
}

.parallax {
  height: 25vh;
  width: 100%;
  animation: bg-scrolling-reverse 30s infinite;
  animation-timing-function: linear;
}