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CSS text-combine-upright Property

The text-combine-upright property specifies the combination of characters into the space of a single character.

If the combined text is wider than 1em, the user agent should fit the contents within 1em.

The text-combine-upright property only has an effect in vertical writing modes.
Initial Value none
Applies to Non-replaced inline elements.
Inherited Yes.
Animatable No.
Version CSS1
DOM Syntax object.style.textCombineUpright = "all";


text-combine-upright: none | all | digits <integer>?;

Example of the text-combine-upright property:

<!DOCTYPE html>
    <title>Title of the document</title>
      .example {
        writing-mode: vertical-lr;
        text-combine-upright: digits 2;
        font: 32px "Roboro", Helvetica, Sans serif;
    <h2>Text-combine-upright property example</h2>
    <p lang="ja" class="example">


CSS text-combine-upright property


Value Description
none No special processing.
all Arranges horizontally all consecutive typographic character units within the box such that they take up the space of a single typographic character unit within the vertical line box.
digits <integer>? Displays a sequence of consecutive ASCII digits (U+0030–U+0039) that has as many or fewer characters than the specified integer, such that it takes up the space of a single character within the vertical line box.
initial Sets the property to its default value.
inherit Inherits the property from its parent element.

Browser support

chrome edge firefox safari opera
48.0+ 15.0+ 48.0+ partial

Practice Your Knowledge

Which statement is correct about the text-combine-upright property?

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