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value-list-comma-newline-after

Require a newline or disallow whitespace after the commas of value lists.

a { background-size: 0,
      0; }            ↑
/**                   ↑
 * The newline after this comma */

The fix option can automatically fix most of the problems reported by this rule.

Options​

string: "always"|"always-multi-line"|"never-multi-line"

"always"​

There must always be a newline after the commas.

The following patterns are considered problems:

a { background-size: 0,0; }
a { background-size: 0
      , 0; }

The following patterns are not considered problems:

a { background-size: 0,
      0; }

"always-multi-line"​

There must always be a newline after the commas in multi-line value lists.

The following patterns are considered problems:

a { background-size: 0
    , 0; }

The following patterns are not considered problems:

a { background-size: 0, 0; }
a { background-size: 0,0; }
a { background-size: 0,
      0; }

"never-multi-line"​

There must never be whitespace after the commas in multi-line value lists.

The following patterns are considered problems:

a { background-size: 0
      , 0; }

The following patterns are not considered problems:

a { background-size: 0,0; }
a { background-size: 0, 0; }
a { background-size: 0
      ,0; }