.vdi-duration-overlay {
    position: absolute;
    bottom: 6px;
    right: 6px;
    background: rgba(0,0,0,0.78);
    color: #fff;
    font-size: 13px;
    padding: 4px 7px;
    border-radius: 4px;
    z-index: 9999;
    font-weight: 600;
    pointer-events: none;
}
.ultp-block-image { position: relative; } /* ensure container positioned */