body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f6f8;
    color: #333;
}

header {
    background: #0b3c49;
    color: #fff;
    padding: 30px;
    text-align: center;
}

.hero {
    padding: 40px;
    background: #e0f7fa;
    text-align: center;
}

.about, .contact {
    padding: 30px;
    margin: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

footer {
    background: #0b3c49;
    color: #fff;
    text-align: center;
    padding: 15px;
}