body {
    font-family: Arial,;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

.wrapper {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    background: #ffffff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}


header {
    background: #ffffff;
    color: #000000;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}


nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    background: #0047AB;
    margin: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #ffffff;
    font-weight: bold;
    padding: 10px 15px;
    display: block;
    transition: background-color 0.3s, color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: #ffffff;
    color: #0047AB;
    border-radius: 5px;
}


main h2 {
    color: #333333;
    margin-top: 0;
}

main p {
    color: #555555;
    margin: 10px 0;
}


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

table th,
table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

table th {
    background-color: #f4f4f4;
    color: #333333;
}

table tr:nth-child(even) {
    background-color: #f9f9f9;
}


.main-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 10px 0;
    background: #0047AB;
    color: #ffffff;
    margin-top: 20px;
    font-size: 0.9rem;
}


@media (max-width: 768px) {
    .wrapper {
        padding: 10px;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li {
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }

    nav ul li a {
        font-size: 0.9rem;
        padding: 8px 10px;
    }

    main h2 {
        font-size: 1.2rem;
    }
}