body {
    font-family: "Segoe UI", Tahoma, sans-serif;
    margin: 24px;
    color: #1d2940;
}

h2 {
    margin-top: 0;
}

pre {
    background: #f0f4fb;
    padding: 10px;
    border-radius: 8px;
    overflow: auto;
}

button {
    margin-top: 10px;
    border: none;
    background: #0e8f71;
    color: #fff;
    border-radius: 8px;
    padding: 8px 14px;
    cursor: pointer;
}

button:hover {
    background: #0b745c;
}