# media-feature-parentheses-space-inside > **Warning** This rule is deprecated and will be removed in the future. See [the migration guide](../../../docs/migration-guide/to-15.md). Require a single space or disallow whitespace on the inside of the parentheses within media features. ```css @media ( max-width: 300px ) {} /** ↑ ↑ * The space inside these two parentheses */ ``` The [`fix` option](../../../docs/user-guide/options.md#fix) can automatically fix all of the problems reported by this rule. ## Options `string`: `"always"|"never"` ### `"always"` There _must always_ be a single space inside the parentheses. The following patterns are considered problems: ```css @media (max-width: 300px) {} ``` ```css @media (max-width: 300px ) {} ``` The following patterns are _not_ considered problems: ```css @media ( max-width: 300px ) {} ``` ### `"never"` There _must never_ be whitespace on the inside the parentheses. The following patterns are considered problems: ```css @media ( max-width: 300px ) {} ``` ```css @media ( max-width: 300px) {} ``` The following patterns are _not_ considered problems: ```css @media (max-width: 300px) {} ```