body {
  margin: 0;
  padding: 0;
  background-color: #0e0e0e;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
}

.container {
  padding: 20px;
}

span {
  color: #00ffff;
}

.button {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background-color: #00ffff;
  color: #000;
  text-decoration: none;
  border-radius: 5px;
  transition: 0.3s;
}

.button:hover {
  background-color: #00cccc;
}