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baseline-shift

The baseline-shift attribute allows repositioning of the dominant-baseline relative to the dominant-baseline of the parent text content element. The shifted object might be a sub- or superscript.

Note: As a presentation attribute baseline-shift can be used as a CSS property.

Note: This property is going to be deprecated and authors are advised to use vertical-align instead.

As a presentation attribute, it can be applied to any element but it has effect only on the following four elements: <altGlyph>, <textPath>, <tref>, and <tspan>

Usage notes

Value	`<length-percentage>` \| `sub` \| `super`
Default value	`0`
Animatable	Yes

sub: The dominant-baseline is shifted to the default position for subscripts.
super: The dominant-baseline is shifted to the default position for superscripts.
<length-percentage>: A length value raises (positive value) or lowers (negative value) the dominant-baseline of the parent text content element by the specified length.; A percentage value raises (positive value) or lowers (negative value) the dominant-baseline of the parent text content element by the specified percentage of the line-height.

Specifications

Specification	Status	Comment
CSS Inline Layout The definition of 'alignment-baseline' in that specification.	Working Draft	Removed the `baseline` value, as it is a redundant keyword within the `vertical-align` property.
Scalable Vector Graphics (SVG) 2 The definition of 'alignment-baseline' in that specification.	Candidate Recommendation	Refers to the definition in CSS Inline Layout and notes that `vertical-align` should be preferred.
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'alignment-baseline' in that specification.	Recommendation	Initial definition

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
`baseline-shift`	?	?	?	?	?	?

	Mobile
	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`baseline-shift`	?	?	?	?	?	?

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https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/baseline-shift