-webkit-text-stroke

Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

Summary

The -webkit-text-stroke CSS property specifies the width and color of strokes for text characters. This is a shorthand property for the longhand properties -webkit-text-stroke-width and -webkit-text-stroke-color.

Initial value	as each of the properties of the shorthand: `-webkit-text-stroke-width`: `0` `-webkit-text-stroke-color`: `rgb(0, 0, 0)`
Applies to	all elements
Inherited	yes
Media	visual
Computed value	as specified
Animatable	as each of the properties of the shorthand: `-webkit-text-stroke-color`: yes, as a color
Canonical order	the unique non-ambiguous order defined by the formal grammar

Syntax

/* Width and color values */
-webkit-text-stroke: 4px navy;

/* Global values */
-webkit-text-stroke: inherit;
-webkit-text-stroke: initial;
-webkit-text-stroke: unset;

Values

<length>: The width of the stroke.
<color>: The color of the stroke.

Formal syntax

<length> <color>where 
<color> = <rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>
where 
<rgb()> = rgb( <rgb-component>#{3} )
<rgba()> = rgba( <rgb-component>#{3} , <alpha-value> )
<hsl()> = hsl( <hue>, <percentage>, <percentage> )
<hsla()> = hsla( <hue>, <percentage>, <percentage>, <alpha-value> )
<named-color> = <ident>
<deprecated-system-color> = ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText
where 
<rgb-component> = <integer> | <percentage>
<alpha-value> = <number>
<hue> = <number>

Example

HTML

<p id="example">The stroke of this text is red.</p>

CSS

#example {
  font-size: 3em;
  margin: 0;
  -webkit-text-stroke: 2px red;
}

Specifications

Specification	Status	Comment
Web Compatibility Standard The definition of '-webkit-text-stroke' in that specification.	Living Standard	Initial standardization
Safari CSS Reference '-webkit-text-stroke' in that document.	Non-standard unofficial documentation	Initial definition

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	4	48.0 (48.0)^[1]	No support	15	3.1

Feature	Android	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	4	48.0 (48.0)^[1]	No support	36	4.1

[1] This feature is implemented behind the preference layout.css.prefixes.webkit, defaulting to false. Since Gecko 49 (Firefox 49.0 / Thunderbird 49.0 / SeaMonkey 2.46) the preference defaults to true.