body{font-family:Arial;background:#f5f5f5;padding:30px}.container{background:#fff;padding:20px;border-radius:10px}input{padding:8px;margin:5px}button{padding:8px 12px;margin:3px;cursor:pointer}table{width:100%;border-collapse:collapse;margin-top:20px}td,th{border:1px solid #ddd;padding:8px}.toolbar{margin-bottom:20px}