body {
  font-family: 'Arial', sans-serif;
  background-color: #f2f2f2;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 400px;
  margin: 100px auto;
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #333;
}

h3 {
  text-align: center;
  color: #555;
}

form {
  display: flex;
  flex-direction: column;
}

input {
  margin-bottom: 15px;
  padding: 10px;
  font-size: 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

button {
  padding: 10px;
  font-size: 18px;
  background-color: #4caf50;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}