body {
    background-color: #e8f4f8;
    color: #2c3e50;
    font-family: 'Verdana', sans-serif;
    margin: 10px;
}

h1 {
    text-align: center;
    color: #2980b9;
}

h2 {
    text-align: center;
}

nav {
    text-align: center;
    margin-bottom: 20px;
}

nav a {
    color: #2980b9;
    margin: 0 15px;
}

footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #7f8c8d;
}

figure {
    text-align: center;
    margin: 20px 0;
}

figcaption {
    font-size: 14px;
    color: #34495e;
}

audio {
    display: block;
    margin: 20px auto;
}

iframe{
    display: block;
    margin: 20px auto ;
}