/* Reset some default styles */
body, h1, h2, h3, h4, p {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f0f0f0;
    padding: 20px;
}

nav {
    background-color: #333;
    padding: 10px;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 10px;
    margin-right: 10px;
}

nav a:hover {
    background-color: #555;
}

main {
    background-color: white;
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2 {
    color: #333;
}

h3, h4 {
    color: #666;
    margin-top: 20px;
}

b {
    font-weight: bold;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

i {
    font-style: italic;
}