:root {
  font-family: 'Roboto Flex', sans-serif;
}

body {
  background-color: black; 
  display: flex;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.retro-text {
  font-size: 400px;
  color: white;
}

.letter {
  color: white;
  display: inline-block;
  letter-spacing: -150px;
  animation: slideInOut 3s linear infinite; 
}

@keyframes slideInOut {
  0% {
    transform: translateX(-100vw);}
  50% {
    transform: translateX(0);}
  100% {
    transform: translateX(100vw);}
}