body {
  font-family: Arial, sans-serif;
  background-color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

h1 {
  color: #fff;
}

p#out {
  background-color: #fff;
  border: 1px solid #ccc;
  padding: 10px;
  width: 80%;
  max-width: 600px;
  text-align: center;
  margin: 20px 0;
  font-size: 1.2em;
  color: #555;
}

button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 1em;
}

p, a, a:visited {
  color: #fff;
}