body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  text-align: center;
}
button {
  background: #4CAF50;
  color: #fff;
  border: none;
  padding: 12px 20px;
  font-size: 16px;
  margin: 10px;
  border-radius: 8px;
  cursor: pointer;
}
.msg {
  margin-top: 20px;
  font-size: 16px;
}
a {
  color: #1e90ff;
  word-wrap: break-word;
}