html,body{margin:0;padding:0}body{display:flex;justify-content:center}#container{display:grid;grid-template-columns:repeat(18,1fr);grid-template-rows:repeat(9,1fr);gap:5px;width:90%;margin:20px}.cell{border:1px solid #aaa;height:60px;display:flex;flex-direction:column}.symbol{flex:2;font-size:16px;font-weight:600;background:#fff9ee}.number{flex:1;font-size:14px}.symbol,.number{display:grid;place-content:center}