body {
    font-family: Georgia, serif;
    max-width: 900px;
    margin: auto;
    padding: 20px;
    background: #f5f5f5;
    color: #222;
}

header {
    text-align: center;
}

select {
    width: 100%;
    padding: 10px;
    font-size: 16px;
}

#reader {
    background: white;
    margin-top: 20px;
    padding: 30px;
    line-height: 1.8;
    border-radius: 8px;
    min-height: 400px;
}

.home-button {
    position: fixed;
    top: 20px;
    left: 20px;

    background: #333;
    color: white;

    padding: 10px 15px;
    border-radius: 8px;

    text-decoration: none;
    z-index: 1000;
}


.back-button {

    position: fixed;

    top: 70px;
    left: 20px;

    background: #333;
    color: white;

    padding: 10px 15px;

    border-radius: 8px;

    text-decoration: none;

    z-index: 1000;
}


.bottom-button {

    display: block;

    width: fit-content;

    margin: 40px auto;

    background: #333;
    color: white;

    padding: 12px 20px;

    border-radius: 8px;

    text-decoration: none;

}