/* === Global Style === */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
}

/* === Header === */
.header {
    background-color: #004080;
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
}

/* === Navigation Menu === */
.navbar {
    background-color: #0056b3;
    overflow: hidden;
    display: flex;
    justify-content: center;
    padding: 10px 0;
}

.navbar a {
    color: white;
    padding: 14px 20px;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
}

.navbar a:hover {
    background-color: #003366;
    border-radius: 5px;
}

/* === Main Content === */
.container {
    width: 80%;
    margin: 20px auto;
    background: white;
    padding: 20px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

/* === Responsive Design === */
@media screen and (max-width: 768px) {
    .container {
        width: 95%;
    }

    .navbar {
        flex-direction: column;
        text-align: center;
    }
}