body {
    font-family: Arial, sans-serif;
    margin: 2em;
    background-color: #f7f7f7;
}
.container {
    background: white;
    padding: 2em;
    border-radius: 8px;
    max-width: 600px;
    margin: auto;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1 {
    color: #333;
}
a.download-link {
    display: inline-block;
    margin-top: 1em;
    padding: 0.8em 1.2em;
    background-color: #007BFF;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}
a.download-link:hover {
    background-color: #0056b3;
}
psmall {
font-size: 0.75em; /* 0.75 * 16 = 12px */
}