/* Keyword values */ mask-position: top; mask-position: bottom; mask-position: left; mask-position: right; mask-position: center;  /* <position> values */ mask-position: 25% 75%; mask-position: 0px 0px; mask-position: 10% 8em;  /* Multiple values */ mask-position: top right; mask-position: 1rem 1rem, center;  /* Global values */ mask-position: inherit; mask-position: initial; mask-position: revert; mask-position: unset; 

mask-position

The mask-position CSS property sets the initial position, relative to the mask position layer set by mask-origin, for each defined mask image.

/* Keyword values */ mask-position: top; mask-position: bottom; mask-position: left; mask-position: right; mask-position: center;  /* <position> values */ mask-position: 25% 75%; mask-position: 0px 0px; mask-position: 10% 8em;  /* Multiple values */ mask-position: top right; mask-position: 1rem 1rem, center;  /* Global values */ mask-position: inherit; mask-position: initial; mask-position: revert; mask-position: unset; 

Syntax

One or more <position> values, separated by commas.

Values

One to four values representing a 2D position regarding the edges of the element's box. Relative or absolute offsets can be given. Note that the position can be set outside of the element's box.

Formal definition

Formal syntax

<position>#
where <position> = [ [ left | center | right ] || [ top | center | bottom ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]? | [ [ left | right ] <length-percentage> ] && [ [ top | bottom ] <length-percentage> ] ]
where <length-percentage> = <length> | <percentage>

Examples

Setting mask position

Change the mask-position value to any of the allowed values detailed above. If viewing the example in a Chromium-based browser change the value of -webkit-mask-position.

Specifications

See also

Last modified: Aug 12, 2021, by MDN contributors