.pdf-js-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* aspect ratio */
    height: 0;
        margin-bottom: 20px;
}
.pdf-js-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
        border-style: none; 
}

.block--tw-pdfviewer h2 {
    padding-top: 15px !important;
}