.letter-segment {
    min-height: 44px;
    padding: 0;
    margin: 0;
}

@media (max-width: 430px) {
    .learn-word-row.is-phrase {
        --letter-cell-width: 26px;
        --letter-cell-height: 32px;
        --letter-cell-font-size: 16px;
    }
}