body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f4f6f8}input,select,button{padding:10px 14px;border:1px solid #ddd;border-radius:6px;font-size:14px}button{cursor:pointer;background:#3498db;color:#fff;border:none}button:hover{background:#2980b9}button:disabled{opacity:.6;cursor:not-allowed}table td,table th{text-align:left}