body {
    font-family: Arial, sans-serif;
    margin: 40px;
    background: #f5f5f5;
}

header {
    margin-bottom: 40px;
}

h1 {
    margin-bottom: 5px;
}

main {
    background: white;
    padding: 30px;
    border-radius: 8px;
}

.button {
    display: inline-block;
    padding: 10px 18px;
    background: #2d6cdf;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.button:hover {
    background: #1b4fad;
}

footer {
    margin-top: 40px;
    font-size: 12px;
    color: #777;
}