body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
}

.container {
    background-color: white;
    padding: 40px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin-bottom: 30px;
}

h2 {
    color: #2c3e50;
    margin-top: 40px;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
}

h3 {
    color: #2c3e50;
    margin-top: 25px;
}

code {
    background-color: #f5f5f5;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
}

pre {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    border: 1px solid #ddd;
}

pre code {
    background-color: transparent;
    padding: 0;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul, ol {
    margin: 15px 0;
}

li {
    margin: 5px 0;
}

footer {
    margin-top: 40px;
    text-align: center;
    font-size: 0.9em;
    color: #777;
}