body {
  background-color: #121212;
  color: #e0e0e0;
  font-family: sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  transition: background-color 0.3s, color 0.3s;
}

body.light-mode {
  background-color: #f0f0f0;
  color: #333;
}

lotto-machine {
  display: block;
  width: 100%;
}