.angie-pdf-page-navigator-placeholder {
    padding: 20px;
    border: 2px dashed #a0a0a0;
    text-align: center;
    background-color: #f9f9f9;
    color: #666;
    font-family: sans-serif;
    border-radius: 4px;
}
.angie-pdf-page-navigator-warning {
    padding: 15px;
    background-color: #fcf8e3;
    border: 1px solid #faebcc;
    color: #8a6d3b;
    border-radius: 4px;
    font-family: sans-serif;
    font-size: 14px;
}
.angie-pdf-page-navigator-preview-placeholder {
    padding: 20px;
    border: 1px solid #ddd;
    background-color: #fcfcfc;
    text-align: center;
    border-radius: 4px;
}
.angie-pdf-page-navigator-preview-placeholder .preview-note {
    font-size: 12px;
    color: #888;
}