body {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: Helvetica, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fdfdfd;
}

h1, h2, h3 {
    font-weight: bold;
    color: #000;
}

a {
    color: #0000EE;
    text-decoration: underline;
}

code {
    font-family: Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.9em;
}

pre {
    background: #f4f4f4;
    padding: 15px;
    overflow-x: auto;
    border: 1px solid #ddd;
}

img {
    max-width: 100%;
}