.one-line {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(1, 1fr);
    gap: 0 2px;
    width: 7rem;
    height: 1rem;
    font-family: Google Sans, Roboto, Arial, sans-serif;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.char {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}