# media-feature-no-missing-punctuation ***Deprecated: See [CHANGELOG](../../../CHANGELOG.md).*** Disallow missing punctuation for non-boolean media features. ```css @media (max-width: 600px) {} /** ↑ * This punctuation */ ``` This rule ensures that there is either a colon or a range operator in non-boolean media features. ## Options ### `true` The following patterns are considered warnings: ```css @media (max-width 600px) {} ``` ```css @media (width 20em) {} ``` The following patterns are *not* considered warnings: ```css @media (max-width: 600px) {} ``` ```css @media (width >= 20em) {} ```