body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #fafafa;
    color: #333;
    margin: 2em;
}

h1, h2 {
    color: #0066cc;
}

section {
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 2em;
    max-width: 850px;
    margin: auto;
}

pre {
    background: #f4f4f4;
    padding: 1em;
    border-radius: 4px;
    overflow-x: auto;
}

a.button {
    display: inline-block;
    background: #0066cc;
    color: white;
    padding: 0.6em 1.2em;
    border-radius: 4px;
    text-decoration: none;
    margin-top: 1em;
}

footer {
    margin-top: 3em;
    text-align: center;
    color: #777;
    font-size: 0.85em;
}

input, button {
    padding: 0.5em;
    margin-top: 0.5em;
}

button {
    background: #0066cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

    button:hover {
        background: #004a99;
    }