/* Keyword values */ mask-border-mode: luminance; mask-border-mode: alpha; /* Global values */ mask-border-mode: inherit; mask-border-mode: initial; mask-border-mode: repeat; mask-border-mode: unset;
The luminance values of the mask border image are used as the mask values.
The alpha values of the mask border image are used as the mask values.
|Applies to||all elements; In SVG, it applies to container elements excluding the |
|Computed value||as specified|
luminance | alpha
This property doesn't yet seem to have support anywhere. When browsers support it, it will specify the type of blending mode used for the mask border — luminance or alpha:
mask-border-mode: luminance; mask-border-mode: alpha;
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