body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f8f8;
    color: #333;
    margin: 0;
    line-height: 1.6;
}

header {
    background-color: #ff9800;
    color: white;
    padding-top: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.2rem;
}

nav {
    background-color: #ffb74d;
    text-align: center;
    padding-top: 10px;
}

nav a {
    color: white;
    padding-top: 5px;
    padding-right: 15px;
    font-weight: bold;
}

main {
    width: 85%;
    margin: 10px;
    background-color: white;
    padding: 30px;
}

main p {
    margin-bottom: 25px;
}

main h2 {
    color: #4caf50;
    margin-bottom: 15px;
    font-size: 1.5em;
    padding-bottom: 5px;
}

footer {
    background-color: #4caf50;
    color: white;
    text-align: center;
    padding-top: 15px;
    margin-top: 30px;
}

footer a {
    color: #e0f2f1;
    margin-top: 0px;
    margin-right: 5px;
}

audio, iframe {
    display: block;
    margin-top: 20px;
    max-width: 100%;
}