body{letter-spacing:1px}.card-header{font-size:bold;text-align:center}.lettersToConc{display:inline;font-size:25px;font-weight:800;color:orange;font-family:cursive;padding:15px;text-transform:uppercase}.keyboard{display:flex;flex-wrap:wrap;gap:5px;width:500px;padding:10px;background-color:#212529;border-radius:5px;font-family:Arial,sans-serif}.key{display:flex;justify-content:center;align-items:center;width:50px;height:50px;background-color:#212529;border:1px solid #ccc;border-radius:5px;cursor:pointer;color:#fff;font-size:18px;font-weight:600}.key.special{width:105px}.key span{font-size:14px;font-weight:700}.keyBox{margin:auto}.heatmap-bar{width:300px;height:20px;border-radius:5px;background:linear-gradient(to right,#f91111,#ffff00,#00ffff,#00a1ff)}.heatmap_box{margin:auto;padding:25px 0}.custom-tooltip{background-color:#212529;color:#fff}