.word-span {
    display: inline;
    white-space: normal;
    transition: background-color 0.3s ease;
    font-variant-ligatures: none;
    letter-spacing: 0;
}

    .word-span.punctuation,
    .word-span.quote-mark {
        white-space: normal;
    }

.word-group {
    display: inline-block;
    white-space: normal;
    position: relative;
}

    .word-group.highlighted .word-span {
        background-color: #ffe066 !important;
        border-radius: 4px;
    }

    .word-group.highlighted {
        background-color: transparent;
    }

    .word-group.debug-outline {
        outline: 2px solid limegreen;
    }

.spacer {
    display: inline-block;
    width: 0.3em;
    height: 1em;
}