body {
    background-color: #f5f5f5;
    font-family: sans-serif;
    margin: 20px;
}

h1 {
    text-align: center;
    background-color: lightblue;
    padding: 10px;
}

h2 {
    color: #333;
    border-bottom: 2px solid lightgray;
}

p {
    line-height: 1.6;
}

ul {
    background-color: white;
    padding: 10px;
    border: 1px solid #ccc;
}

img {
    margin: 10px;
    border: 2px solid #ccc;
}

a {
    color: blue;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

audio {
    display: block;
    margin: 10px auto;
}