declaration-colon-newline-after

Require a newline or disallow whitespace after the colon of declarations.

a {
  box-shadow:
    0 0 0 1px #5b9dd9,
    0 0 2px 1px rgba(30, 140, 190, 0.8);
}        /* ↑ */
/**         ↑
 * The newline after this colon */

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

Options

string: "always"|"always-multi-line"

There must always be a newline after the colon.

The following patterns are considered problems:

a { color:pink; }

a { color: pink; }

The following patterns are not considered problems:

a {
  color:
    pink;
}

There must always be a newline after the colon if the declaration's value is multi-line.

The following patterns are considered problems:

a {
  box-shadow: 0 0 0 1px #5b9dd9,
    0 0 2px 1px rgba(30, 140, 190, 0.8);
}

The following patterns are not considered problems:

a {
  box-shadow:
    0 0 0 1px #5b9dd9,
    0 0 2px 1px rgba(30, 140, 190, 0.8);
}

a {
  color: pink;
}