#photoGallery .photo {
    display: inline-block;
    position: relative;
    box-sizing: border-box;
    border: 0;
    margin: 0;

    width: 296px;
    height: 296px;
    padding: 10px;

    background-color: var(--color_theme_3);
    border-radius: 1em;
}

#photoGallery .photo:after {
    content: "";
    display: block;
    padding-bottom: 100%;
}

#photoGallery .photo img {
    display: block;
    position: absolute;
    width: 276px;
    height: 276px;
    cursor: pointer;
    object-fit: contain;
}

#viewer {
    display: none;
    width: 100%;
    padding: 1em;
    background-color: var(--color_theme_3);
    border-radius: 1em;
    box-sizing: border-box;
    text-align: center;

    height: 80vh;
    position: relative;
    cursor: zoom-in;
}

#viewer.viewerZoomed {
    position: absolute;
    height: 100vh;
    top: 0;
    left:0;
    z-index: 100;
    cursor: zoom-out;
}

#viewerImage {
    object-fit: contain;
    width: 100%;
    height: 100%;
}

#viewerArrowLeft, #viewerArrowright, #viewerClose {
    position: absolute;
    top: 50%;
    width: 1.2em;
    height: 1.2em;
    border-radius: 50%;
    font-size: 3em;
    font-weight: bold;
    color: var(--color_font_theme_1);
    background-color: var(--color_theme_1);
    text-align: center;
    cursor: pointer;
    user-select: none;
}

#viewerArrowLeft {
    left: 5px;
}

#viewerArrowright {
    right: 5px;
}

#viewerClose {
    top: 5px;
    right: 5px;
}