* {
  margin: 0;
}
body {
  font-family: Arial, sans-serif;
  background: #a6a2a2;
  text-align: center;
  padding: 50px;
}
h1 {
  margin-bottom: 30px;
  color: white;
  font-size: 40px;
}
hr {
    margin-bottom: 40px;
}
.btn {
  display: block;
  width: 250px;
  margin: 15px auto;
  padding: 15px 25px;
  font-size: 16px;
  color: white;
  background-color: #dc3545;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.3s;
}
.btn:hover {
  background-color: #a71d2a;
}