body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

header {
    background: #333;
    padding: 10px;
}

nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
}

.hero {
    text-align: center;
    padding: 80px 20px;
}

    .hero h1 {
        font-size: 3rem;
        margin-bottom: 10px;
    }

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #0078d4;
    color: white;
    border-radius: 5px;
    text-decoration: none;
}