.pdf-link {
    display: inline-block;
    position: relative;
    text-align: center;
    margin: 10px;
}

.pdf-link .pdf-preview {
    max-width: 200px;
    max-height: 200px;
    width: auto;
    height: auto;
    display: block;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.pdf-link .pdf-overlay-icon {
    position: absolute;
    bottom: 5px;
    right: 5px;
    font-size: 24px;       /* icon size */
    color: #e63946;        /* red PDF icon */
}

.pdf-link .pdf-title {
    margin-top: 6px;
    font-size: 0.9rem;
    color: #333;
    word-break: break-word;
}

.pdf-link .pdf-icon {
    margin-top: 4px;
    font-size: 24px;  /* adjust size */
    color: #e63946;   /* red PDF icon */
}