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mask-border-mode

CSSmask-border-mode 属性指定使用的混合模式遮罩边界。

语法

css

/* Keyword values */mask-border-mode: luminance;mask-border-mode: alpha;/* Global values */mask-border-mode: inherit;mask-border-mode: initial;mask-border-mode: unset;

值

luminance: 遮罩边界图像的亮度值用作遮罩值。
alpha: 遮罩边界图像的亮度值用作遮罩值。

形式定义

初始值	`alpha`
适用元素	all elements; In SVG, it applies to container elements excluding the`<defs>` element and all graphics elements
是否是继承属性	否
计算值	as specified
动画类型	离散值