.portfolio-lightbox {
    position: fixed;
    inset: 0;
    margin: auto;
    max-height: 94vh;
    overflow: auto;
    overscroll-behavior: contain;
}

.portfolio-lightbox-inner {
    box-sizing: border-box;
    min-height: 100%;
    justify-content: center;
}

@media (max-width: 700px) {
    .portfolio-lightbox {
        width: 94vw;
        max-height: 92vh;
    }
}