.stylophone {
    margin: auto;
    width: 576px;
    border: 4px solid black;
}

.stylophone h1 {
    background-color: black;
    color: white;
    font-size: 1.2em;
    line-height: 1.4em;
    margin: 0;
    padding: 2px 10px 2px;
}

.stylophone .speaker {
    height: 154px;
    background: -webkit-linear-gradient(black 50%, #462e16 50%);
    background-size: 10px 10px;
    border-bottom: 4px solid black;
}