body {
    background-color: #f0f8ff;
    font-family: Arial, sans-serif;
}
h1 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
}
p {
    font-size: 1.2rem;
    color: #555;
}
a.btn {
    font-size: 1.2rem;
    padding: 15px 30px;
    border-radius: 8px;
}