* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

h1 {
    font-size: 2.5rem;
    color: #333;
}

nav ul {
    list-style: none;
    padding: 0;
}

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

nav ul li a {
    text-decoration: none;
    color: #0073aa;
    font-weight: bold;
}

main {
    max-width: 900px;
    margin: 0 auto;
}

section {
    margin-bottom: 30px;
}

h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: #0073aa;
    color: white;
}

table td a {
    color: #0073aa;
    text-decoration: none;
}

footer {
    text-align: center;
    margin-top: 30px;
}

footer p {
    font-size: 0.9rem;
    color: #666;
}