text-combine-upright
Used in vertical writing modes (like Japanese or Chinese) to 'group' short characters (like numbers or acronyms) together so they appear horizontally (upright) instead of stacked vertically.
Quick example
.vertical-text {
writing-mode: vertical-rl;
}
.year {
/* Keeps '2025' together on one line even in vertical text */
text-combine-upright: all;
}Quick facts
Initial value
noneInherited
Yes
Applies to
non-replaced inline elements
Animation type
notAnimatable
Values
nonealldigits text-combine-upright Browser Support
Widely available Since 2022 95% global usage
This feature is well established and works across many devices and browser versions. It has been available across browsers since 2022.
Safe to use without fallbacks.
48+
48+
15.4+
79+