set-custom-property-type.md

Set custom property type

https://developer.mozilla.org/ru/docs/Web/API/CSS/registerProperty

https://www.w3.org/TR/css-properties-values-api-1/#example-2

Via JS

CSS.registerProperty({
  name: '--my-color',
  syntax: '<color>',
  inherits: false,
  initialValue: '#c0ffee',
});

Via CSS (does not working now)

@property --my-color {
    syntax: "<color>";
    inherits: false;
    initial-value: 0px;
  }