.photo-dialog .photo-caption {
    position: absolute;
    bottom: 2.5vh;
    left: 10%;
    right: 10%;
    margin: 0;
    text-align: center;
    color: #ddd;
    font-size: 13px;
    line-height: 1.4;
    pointer-events: none;
    text-wrap: balance;
}
.photo-dialog .photo-caption[hidden] { display: none; }