# media-query-list-comma-space-after Require a single space or disallow whitespace after the commas of media query lists. ```css @media screen and (color), projection and (color) {} /** ↑ * The space after this comma */ ``` The `--fix` option on the [command line](../../../docs/user-guide/cli.md#autofixing-errors) can automatically fix all of the problems reported by this rule. ## Options `string`: `"always"|"never"|"always-single-line"|"never-single-line"` ### `"always"` There *must always* be a single space after the commas. The following patterns are considered violations: ```css @media screen and (color),projection and (color) {} ``` ```css @media screen and (color) ,projection and (color) {} ``` The following patterns are *not* considered violations: ```css @media screen and (color), projection and (color) {} ``` ```css @media screen and (color) , projection and (color) {} ``` ### `"never"` There *must never* be whitespace after the commas. The following patterns are considered violations: ```css @media screen and (color), projection and (color) {} ``` ```css @media screen and (color) , projection and (color) {} ``` The following patterns are *not* considered violations: ```css @media screen and (color),projection and (color) {} ``` ```css @media screen and (color) ,projection and (color) {} ``` ### `"always-single-line"` There *must always* be a single space after the commas in single-line media query lists. The following patterns are considered violations: ```css @media screen and (color),projection and (color) {} ``` The following patterns are *not* considered violations: ```css @media screen and (color), projection and (color) {} ``` ```css @media screen and (color) , projection and (color) {} ``` ```css @media screen and (color) ,projection and (color) {} ``` ### `"never-single-line"` There *must never* be whitespace after the commas in single-line media query lists. The following patterns are considered violations: ```css @media screen and (color), projection and (color) {} ``` The following patterns are *not* considered violations: ```css @media screen and (color),projection and (color) {} ``` ```css @media screen and (color) ,projection and (color) {} ``` ```css @media screen and (color) , projection and (color) {} ```