body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem;
    text-align: center;
    background-image: url('images/teresabanner8.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 350px; /* Set your desired height */
    display: flex;
    flex-direction: column;
    justify-content: center;
}

nav {
    background: #444;
    padding: 0.5rem;
    text-align: center;
}

    nav a {
        color: #fff;
        margin: 0 1rem;
        text-decoration: none;
    }

main {
    padding: 2rem;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}