#grid {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    gap: 5px;
    max-width: 320px;
    margin-bottom: 20px;
}

.row {
    display: flex;
    gap: 5px;
}

.cell {
    width: 55px;
    height: 55px;
    border: 2px solid #ccc;
    text-align: center;
    font-size: 26px;
    line-height: 55px;
    font-weight: bold;
}

.correct { background: #6aaa64; color: white; }
.wrong { background: #787c7e; color: white; }

#keyboard button {
    margin: 3px;
    padding: 10px;
}