body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding-top: 20px;
        }

        h2 {
            text-align: center;
        }

        p {
            margin: 0 10px 10px;
            text-align: center;
        }

        #dropZone {
            border: 2px dashed #007bff;
            padding: 15px;
            margin: 10px;
            width: calc(100% - 20px);
            max-width: 500px;
            text-align: center;
            color: #007bff;
            cursor: pointer;
        }

        #fileList {
            list-style: none;
            padding: 0;
            width: calc(100% - 20px);
            max-width: 500px;
        }

        #fileList li {
            border: 1px solid #ddd;
            margin-top: 5px;
            padding: 10px;
            background-color: #f8f8f8;
            cursor: move;
        }

        .button {
            margin: 10px;
            padding: 10px 20px;
            font-size: 1em;
        }

        #fileName {
            margin: 10px;
            padding: 10px;
            width: calc(100% - 40px);
            max-width: 480px;
        }