# media-feature-parentheses-space-inside 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 */ ``` ## Options `string`: `"always"|"never"` ### `"always"` There *must always* be a single space inside the parentheses. The following patterns are considered warnings: ```css @media (max-width: 300px) {} ``` ```css @media (max-width: 300px ) {} ``` The following patterns are *not* considered warnings: ```css @media ( max-width: 300px ) {} ``` ### `"never"` There *must never* be whitespace on the inside the parentheses. The following patterns are considered warnings: ```css @media ( max-width: 300px ) {} ``` ```css @media ( max-width: 300px) {} ``` The following patterns are *not* considered warnings: ```css @media (max-width: 300px) {} ```