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.
You can use this attribute with the following SVG elements:
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 compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
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https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/baseline-shift