body {
  background-color: black;
  color: white;
  font-family: sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  overflow: hidden;
}

#welcomeContainer {
  text-align: center;
  font-size: 3em;
}

#welcomeText {
  opacity: 0;
  transition: opacity 0.8s ease;
}

#welcomeText.show {
  opacity: 1;
}