`mask-border-mode` CSS property

The mask-border-mode CSS property specifies the blending mode used in a mask border.

Syntax

/* Keyword values */
mask-border-mode: luminance;
mask-border-mode: alpha;

/* Global values */
mask-border-mode: inherit;
mask-border-mode: initial;
mask-border-mode: revert;
mask-border-mode: revert-layer;
mask-border-mode: unset;

Values

This property is specified as one of the following keyword values:

• luminance
  • : The luminance values of the mask border image are used as the mask values.
• alpha
  • : The alpha values of the mask border image are used as the mask values.

Formal definition

Formal syntax

Specifications

Browser compatibility

Currently, no browsers support this feature.

See also

• mask-mode
• mask-type
• Alpha transparency versus luminance
• mask-border shorthand
• mask-border-outset
• mask-border-repeat
• mask-border-source
• mask-border-width
• mask-mode
• CSS masking module