stroke-width

Sets the thickness of the border (stroke) on SVG shapes or text. It can be defined in pixels, percentages, or other standard CSS units.

Quick example

circle.outer-ring {
  /* Sets a 4px thick border for the SVG circle */
  stroke-width: 4px;
}

Quick facts

Initial value
1px
Inherited
Yes
Applies to
a subset of SVG elements (shapes)
Animation type
byComputedValueType

stroke-width Browser Support

Widely available Since 2020 96% global usage

This feature is well established and works across many devices and browser versions. It has been available across browsers since 2020.

Safe to use without fallbacks.

1+
1.5+
4+
15+
ESC