body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f9;
    color: #333;
}

.navbar {
    background-color: #1a237e;
}

.navbar-brand, .nav-link {
    color: #fff !important;
}

.navbar-brand:hover, .nav-link:hover {
    color: #bbdefb !important;
}

.nav-link.active {
    font-weight: bold;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: linear-gradient(135deg, #3f51b5, #2196f3);
    color: white;
    padding: 50px 0;
    text-align: center;
}

section {
    margin: 40px 0;
}

footer {
    background-color: #1a237e;
    color: white;
    text-align: center;
    padding: 20px 0;
}

h1, h2 {
    color: #1a237e;
}

a {
    color: #2196f3;
}

a:hover {
    color: #1976d2;
}

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