body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #121212;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
}

h1 {
  font-size: 3em;
  margin-bottom: 0.2em;
}

p {
  font-size: 1.2em;
  max-width: 600px;
}

footer {
  position: absolute;
  bottom: 20px;
  font-size: 0.9em;
  color: #888;
}