body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
}

header {
    background: #333;
    color: white;
    padding: 15px;
}

nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}

.hero {
    padding: 50px;
    background: #f4f4f4;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background: #007BFF;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

footer {
    background: #333;
    color: white;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}