body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    color: #333;
}

header, footer {
    background-color: #f0f0f0;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
}

h1 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

h2 {
    color: #2980b9;
    margin-top: 30px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #3498db;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

blockquote {
    background-color: #f9f9f9;
    border-left: 5px solid #3498db;
    margin: 20px 0;
    padding: 15px;
    font-style: italic;
}

pre {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

nav a {
    color: #3498db;
    text-decoration: none;
    margin-right: 15px;
}

nav a:hover {
    text-decoration: underline;
}

section {
    margin-bottom: 30px;
}

ul, ol {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}