.drop-zone{width:100%;height:200px;border:2px dashed #ccc;display:flex;justify-content:center;align-items:center;font-size:24px}.drop-zone.over{border-color:#007bff}button{background-color:#88d;color:#000;padding:20px;border:0px;border-radius:10px;margin:10px}button:disabled{background-color:#888}.file{padding:16px;margin:4px;border:1px solid #444444;overflow:hidden}