body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    position: relative;
}

header h1 {
    margin: 0;
}

header nav {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
}

header nav a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: #007BFF;
    border-radius: 5px;
    transition: background 0.3s ease;
}

header nav a:hover {
    background: #0056b3;
}

main {
    padding: 2rem;
}

section {
    background: #fff;
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    color: #333;
}

pre {
    background: #f4f4f4;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
}

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

a {
    color: #007BFF;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0056b3;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}