body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f9f9f9;
}

h1, h2, h3 {
    color: #2c3e50;
}

header {
    background-color: #3f51b5;
    color: white;
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
}

header h1 {
    color: white;
    margin: 0;
}

code {
    background-color: #eee;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: Consolas, monospace;
}

pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.section {
    background-color: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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