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

html, body {
  margin: 0;
  padding: 0;
}

body {
  background-color: black; 
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  height: 100vh;
  overflow: hidden;
}

.retro-text {
  font-variation-settings: "wght" 1000;
  font-size: 250px;
  line-height: 0.0;
}


.layer1 {
  color: white; 
  animation: wght 5s infinite alternate-reverse; 
}



@keyframes wght {
  from {color: rgba(255, 255, 255, 0)}
  to {line-height: 2; color: rgba(255, 255, 255, 1)}
  }