.modal {
    overflow-y: scroll;
}

.modal-hidden div.modal-dialog {
    display: none;
}
/*
.modal-visible div.modal-dialog {
    display: block;
}
*/
.html-to-pdf .modal-body {
    width: 100%;
    margin: auto;
}

.html-to-pdf .outline {
    width: 100%;
    outline: 4px solid gray;
    outline-offset: 4px;
}

.html-to-pdf .modal-title {
    text-align: center;
}