html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: Arial, sans-serif;
  background-color: white;
  overflow: hidden;
  user-select: none;
  transition: background-color 0.3s ease; 
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

h1#welcome-text {
  color: black;
  cursor: pointer;
  font-size: 2em;
  transition: color 0.3s ease;
  user-select: none;
}