li.vpg_gallery_item {
    opacity: 1;
    transition: all 0.5s;
}

li.vpg_gallery_item.hidden {
    display: none;
}

li.vpg_gallery_item.transparent {
    opacity: 0;
}

li.vpg_gallery_item {
    position: relative;
    list-style: none;
}

li.vpg_gallery_item div.vpg-balloon {
    background: #fff;
    position: absolute;
    width: 100%;
    left: 50%;
    top: 100%;
    margin-left: -50%;
    margin-top: 0;
    margin-bottom: 0;
    margin-right: 0;
    padding: 5px 0 0 0;
    opacity: 0;
    z-index: 2;
    transition: opacity 0.25s ease-in-out;
    -moz-transition: opacity 0.25s ease-in-out;
    -webkit-transition: opacity 0.25s ease-in-out;
}

li.vpg_gallery_item div.vpg-balloon div.vpg-balloon-content {
    border: solid 1px #000;
    padding: 10px;
    box-sizing: border-box;
}

li.vpg_gallery_item div.vpg-balloon div.vpg-balloon-content h3.gallery-title {
    margin: 0;
}

li.vpg_gallery_item:hover div.vpg-balloon {
    opacity: 1;
}

#gallery-images li.vpg_gallery_item:hover div.vpg-balloon {
    opacity: 0;
}