body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    border-bottom: 5px solid #0056b3;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header p {
    font-size: 1.2rem;
    font-style: italic;
}

main {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background-color: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

section h2, section h3 {
    color: #007bff;
    border-bottom: 2px solid #e9ecef;
    padding-bottom: 0.5rem;
    margin-top: 0;
}

pre {
    background-color: #2b2b2b;
    color: #f8f8f2;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    font-family: "Courier New", Courier, monospace;
}

ul,ol {
    padding-left: 1.5rem;
    list-style:none;
}

li strong {
    color: #0056b3;
}

footer {
    text-align: center;
    background-color: #333;
    color: white;
    padding: 2rem 1rem;
    margin-top: 2rem;
}

footer a {
    color: #ffc107;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #fff;
}