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opacity property

Gets or sets a value that specifies object or group opacity in Cascading Style Sheets (CSS) or Scalable Vector Graphics (SVG).

CSS Color Module Level 3, Section 3.2Internet Explorer 9

 

Syntax

opacity: <alphavalue> | inherit

Property values

<alphavalue>

A Floating-point value between 0.0 (fully transparent) and 1.0 (fully opaque), inclusive.

inherit

Indicates that the property takes the same computed value as the property for the element's parent.

CSS information

Applies ToAll elements
Mediavisual
Inheritedno
Initial Value1

Standards information

Remarks

The opacity setting is applied uniformly across the entire object. Any values outside the range 0.0 to 1.0 will be clamped to this range.

Object or group opacity can be thought of conceptually as a postprocessing operation. Conceptually, after the object or group is rendered into an RGBA offscreen image, the object or group opacity setting specifies how to blend the offscreen image into the current background.

See also

a
CSSStyleDeclaration
currentStyle
defaults
runtimeStyle
style

 

 

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