body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 0;
}

h1 {
    text-align: center;
}

.audio-item {
    margin-bottom: 20px;
}

audio {
    display: block;
}


input[type='checkbox'] {
    width: 2em;
    height:2em;
}