# rule-nested-empty-line-before ***Deprecated: instead use the [rule-empty-line-before](../rule-empty-line-before/README.md).*** Require or disallow an empty line before nested rules. ```css @media { /* ← */ a {} /* ↑ */ } /* ↑ */ /** ↑ * This line */ ``` ## Options `string`: `"always"|"never"|"always-multi-line"|"never-multi-line"` ### `"always"` There *must always* be an empty line before rules. The following patterns are considered warnings: ```css @media { a {} } ``` ```css @media { a {} } ``` The following patterns are *not* considered warnings: ```css @media { a {} } ``` ### `"never"` There *must never* be an empty line before rules. The following patterns are considered warnings: ```css @media { a {} } ``` ```css @media { a {} } ``` The following patterns are *not* considered warnings: ```css @media { a {} } ``` ### `"always-multi-line"` There *must always* be an empty line before multi-line rules. The following patterns are considered warnings: ```css @media { a { color: pink; top: 0; } } ``` The following patterns are *not* considered warnings: ```css @media { a { color: pink; top: 0; } } ``` ### `"never-multi-line"` There *must never* be an empty line before multi-line rules. The following patterns are considered warnings: ```css @media { a { color: pink; top: 0; } } ``` The following patterns are *not* considered warnings: ```css @media { a { color: pink; top: 0; } } ``` ## Optional secondary options ### `except: ["first-nested"]` Reverse the primary option if the rule is the first in a block. For example, with `"always"`: The following patterns are considered warnings: ```css @media { a {} b {} c {} } ``` The following patterns are *not* considered warnings: ```css @media { a {} b {} c {} } ``` ### `except: ["after-rule"]` Reverse the primary option if the rule comes after another rule. For example, with `"always"`: The following patterns are considered warnings: ```css @media { color: red; a {} b {} c {} } ``` The following patterns are *not* considered warnings: ```css @media { color: red; a {} b {} c {} } ``` ### `ignore: ["after-comment"]` Ignore rules that come after a comment. The following patterns are *not* considered warnings: ```css @media { /* comment */ a {} } ``` ```css @media { /* comment */ a {} } ```