* {
    margin: 0;
    border: 0;
    padding: 0;
    outline: 0;
    background: transparent;
}

html, body {
    background: white;
}

.container {
    width: 604px;
    margin: 0 auto;
}

@media only screen and (max-width: 600px) {
    .container {
        width: 100%;
    }
}

.container img {
    max-width: 100%;
    max-height: 100%;
    display: block;
} 

.pagenav {
    padding: 0;
    display: flex;
    justify-content: space-between;
}

.pagenav img {
    display: inline-block;
}

a:hover {
    background-color: red;
}

audio {
    color: black;
    margin: 0 auto;
    width: 600px;
}