body {
    font-family: Arial, sans-serif;
    line-height: 1.5;
    margin: 0;
    padding: 20px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    background-color: #f9f9f9;
}

h1,
h2,
h3 {
    color: #333;
}

pre {
    background-color: #f4f4f4;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
}

p,
ul {
    margin: 10px 0;
}

ol {
    margin: 15px 0;
    padding-left: 20px;
}

ul li {
    margin-bottom: 6px;
}