.drop-zone{

    border:3px dashed #3b82f6;

    border-radius:15px;

    padding:70px;

    text-align:center;

    cursor:pointer;

    transition:.3s;

}

.drop-zone:hover{

    background:#f5f9ff;

}

.drop-zone.dragover{

    background:#dbeafe;

    border-color:#2563eb;

}

.file-item{

    padding:10px;

    border-bottom:1px solid #eee;

}