body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
}

#fullscreenArea {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: black;
    display: none;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none;
}

#backButton {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 20px;
}

#fullscreenButton {
    margin-top: 20px;
    font-size: 20px;
}

#imageContainer, #fullscreenImage {
    max-width: 90%;
    max-height: 80%;
    text-align: center;
}

select {
    width: 100%;
    font-size: 20px;
    margin-top: 20px;
}