body{font-size:18px}a{color:inherit;text-decoration:none}h1{text-align:center;margin:20px auto}#game-table{border-collapse:collapse;border:2px solid black;text-align:center;margin:0 auto}.game-cell{padding:0;margin:0}#numpad-table{border-collapse:collapse;text-align:center;margin:0 auto}.numpad-cell{border:2px solid black;padding:0;margin:0}.subColor{background:#add8e6}.player-value{color:gray}.mainColor{background:teal;color:#000}td{padding:0;cursor:pointer;-webkit-user-select:none;user-select:none}#delete,#solve{border:2px solid black;display:block;text-align:center;width:200px;margin:5px auto;cursor:pointer}