/* General Reset */
body, h1, h2, p, ul, li, a {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body Styling */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    margin: 0;
}

/* Header Styling */
header {
    background-color: #444;
    color: #fff;
    padding: 1rem 0;
}

header nav ul {
    list-style: none;
    text-align: center;
}

header nav ul li {
    display: inline;
    margin: 0 10px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

header nav ul li a.active {
    text-decoration: underline;
}

/* Main Section Styling */
main {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

main h1 {
    font-size: 2.5rem;
    color: #444;
    margin-bottom: 10px;
}

main h2 {
    font-size: 1.8rem;
    color: #555;
    margin-top: 20px;
}

main p {
    font-size: 1rem;
    margin: 10px 0;
    line-height: 1.8;
}

/* Footer Styling */
footer {
    text-align: center;
    padding: 10px;
    background-color: #444;
    color: #fff;
    margin-top: 20px;
    font-size: 0.9rem;
}