body {
    font-family: Arial, sans-serif;
}

#drop-area {
    border: 2px dashed #ccc;
    padding: 50px;
    width: 80%;
    margin: 20px auto;
    border-radius: 10px;
    background-color: #f9f9f9;
    cursor: pointer;
}

#drop-area.dragover {
    background-color: #e0f7fa;
    border-color: #26c6da;
}