CSS text-box-trim Property Reference

The CSS text-box-trim property is a standard property in CSS Inline. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

text-box-trim overview

The CSS text-box-trim property is a standard property in CSS Inline. Review its formal syntax, computed behavior, and practical declarations.

The property is not inherited by default. Use an explicit global keyword when inheritance is intended.

Syntax and formal definition

text-box-trim formal syntax

Field	Value
Formal syntax	none \| trim-start \| trim-end \| trim-both
Initial value	none
Applies to	blockContainersAndInlineBoxes
Inherited	No
Percentages	no
Computed value	theSpecifiedKeyword
Animation type	discrete
Media	visual
Specification group	CSS Inline
Status	Standard

Practical examples

These declarations demonstrate valid ways to set text-box-trim. The initial and inherit global keywords remain available even when a property-specific value is preferable.

text-box-trim live example

CSS

.reset-example {
  text-box-trim: initial;
}

.inherit-example {
  text-box-trim: inherit;
}

@supports (text-box-trim: initial) {
  .supported {
    text-box-trim: initial;
  }
}