.note-button{
    cursor: pointer; 
    background-color: #ddd; 
    padding: 20px; 
    margin: 10px;
    text-align: center;
    width: 65%;
    border-radius: 7px;
}

#pdfViewer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5); 
    border: none;
    z-index: 10000;
}

#pdfViewer .close-btn {
    background-color: red;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 7px;
    margin: 7px;
}

iframe {
    border: none;
    border-radius: 30px;
    width: 80%;
    height: 70%;
    background: white;
}

#box{
    display: flex;
    flex-direction: column;
    position: relative;
    justify-content: center;
    align-items: center;
}