unit-blacklist

Specify a blacklist of disallowed units.

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

Options

array|string: ["array", "of", "units"]|"unit"

Given:

["px", "em", "deg"]

The following patterns are considered violations:

a { width: 100px; }

a { font-size: 10em; }

a { transform: rotate(30deg); }

The following patterns are not considered violations:

a { font-size: 1.2rem; }

a { line-height: 1.2; }

a { height: 100vmin; }

a { animation: animation-name 5s ease; }

Optional secondary options

ignoreProperties: { unit: ["property", "/regex/", /regex/] }

Ignore units in the values of declarations with the specified properties.

For example, with ["px", "vmin"].

Given:

{
  "px": [ "font-size", "/^border/" ],
  "vmin": [ "width" ]
}

The following patterns are not considered violations:

a { font-size: 13px; }

a { border-bottom-width: 6px; }

a { width: 100vmin; }

The following patterns are considered violations:

a { line-height: 12px; }

a { -moz-border-radius-topright: 40px; }

a { height: 100vmin; }

ignoreMediaFeatureNames: { unit: ["property", "/regex/", /regex/] }

Ignore units for specific feature names.

For example, with ["px", "dpi"].

Given:

{
  "px": [ "min-width", "/height$/" ],
  "dpi": [ "resolution" ]
}

The following patterns are not considered violations:

@media (min-width: 960px) {}

@media (max-height: 280px) {}

@media not (resolution: 300dpi) {}

The following patterns are considered violations:

@media screen and (max-device-width: 500px) {}

@media all and (min-width: 500px) and (max-width: 200px) {}

@media print and (max-resolution: 100dpi) {}