body {
  background-color: #0a0a0a;
  color: #e0e0e0;
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 0;
}
.container {
  padding: 50px 20px;
}
.logo {
  width: 80%;
  max-width: 500px;
}
h1 {
  font-size: 3em;
  margin-top: 20px;
}
.tagline {
  font-size: 1.3em;
  margin: 20px 0 40px;
}
.button {
  display: inline-block;
  margin: 10px;
  padding: 15px 30px;
  background-color: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 1.1em;
}
.button:hover {
  background-color: #0056b3;
}