a.no-pdf-icon[href$='.pdf']::before {
    content: none;
    display: none;
    margin: 0;
}

h2 {
    margin-top: 4rem;
}

.img-caption {
    display: block;
    margin-top: 0.5rem;
}

.img-thumb-link {
    display: inline-block;
    text-decoration: none;
    line-height: 0;
}

    .img-thumb-link img {
        max-width: 100%;
        cursor: pointer;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        border: 1px solid #d9d9d9;
        box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    }

    .img-thumb-link:hover img,
    .img-thumb-link:focus img {
        transform: scale(1.03);
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

    .img-thumb-link:focus {
        outline: none;
    }