table,th,td{border:1px solid #000}table tbody{z-index:1}table thead{z-index:2;background:#fff;position:-webkit-sticky;position:sticky;top:0}#result_table td:nth-child(2){background:inherit}#result_table th:nth-child(2){background:#fff}#result_table td:nth-child(2),#result_table th:nth-child(2){position:-webkit-sticky;position:sticky;left:0}.controls{width:15%;margin:20px auto}.controls>button{width:100%;height:30px;margin:5px}