body {
    background-color: white;
}
h1 {
    text-align: center;
    color: #0099ff;
}
img {
    display: block;
    margin: 0 auto;
    max-width: 800px;
    max-height: 800px;
}
audio {
    display: block;
    margin: 0 auto;
    width: 50%;
}