.modalfile {
        position: fixed;
        left: 0;
        top: 0;
      
        
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transform: scale(1.1);
        transition: visibility 0s linear 0.25s, opacity 0.25s 0s, transform 0.25s;
    }
    .modal-contentfile {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(40%, 10%);
        background-color: white;
        padding: 1rem 1.5rem;
     
        border-radius: 0.5rem;
    }
    .close-buttonfile {
        float: right;
        width: 2rem;
         padding: 0.5rem;
        line-height: 1.5rem;
        text-align: center;
        cursor: pointer;
        border-radius: 0.25rem;
        background-color: lightgray;
    }
    .close-buttonfile:hover {
        background-color: darkgray;
    }
    .show-modalfile {
        opacity: 1;
        visibility: visible;
        transform: scale(1.0);
        transition: visibility 0s linear 0s, opacity 0.25s 0s, transform 0.25s;
    }