body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #2a3f54;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    background-color: #1f2c3a;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 10px 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

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

main {
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
    color: #2a3f54;
}

footer {
    background-color: #2a3f54;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
}

ul {
    list-style-type: disc;
    padding-left: 20px;
}