Description

Disallow unknown units. This rule considers units defined in the CSS Specifications, up to and including Editor's Drafts, to be known.

Examples

The following patterns are considered violations:

a { width: 100pixels; }
/**           ↑
 *  These units */

a {
  width: calc(10px + 10pixels);
}

The following patterns are not considered violations:

a {
  width: 10px;
}

a {
  width: 10Px;
}

a {
  width: 10pX;
}

a {
  width: calc(10px + 10px);
}

Given:

["/^some-/", "custom"]

The following patterns are not considered violations:

a {
  width: 10custom;
}

a {
  width: 10some-unit;
}

a {
  width: 10some-other-unit;
}