CSS break-before Property Reference
The CSS break-before property is a standard property in CSS Fragmentation. Review its formal syntax, computed behavior, and practical declarations.
Updated 2026-08-12
break-before overview
The CSS break-before property is a standard property in CSS Fragmentation. 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
| Field | Value |
|---|---|
| Formal syntax | auto | avoid | always | all | avoid-page | page | left | right | recto | verso | avoid-column | column | avoid-region | region |
| Initial value | auto |
| Applies to | blockLevelElements |
| Inherited | No |
| Percentages | no |
| Computed value | asSpecified |
| Animation type | discrete |
| Media | visual |
| Specification group | CSS Fragmentation |
| Status | Standard |
Practical examples
These declarations demonstrate valid ways to set break-before. The initial and inherit global keywords remain available even when a property-specific value is preferable.
CSS
.reset-example {
break-before: initial;
}
.inherit-example {
break-before: inherit;
}
@supports (break-before: initial) {
.supported {
break-before: initial;
}
}