string-quotes

Specify single or double quotes around strings.

a[id="foo"] { content: "x"; }
/**  ↑   ↑             ↑ ↑
 * These quotes and these quotes */

Quotes within comments are ignored.

/* "This is fine" */
/* 'And this is also fine' */

Options

string: "single"|"double"

Strings must always be wrapped with single quotes.

The following patterns are considered warnings:

a { content: "x"; }

a[id="foo"] {}

The following patterns are not considered warnings:

a { content: 'x'; }

a[id='foo'] {}

Strings must always be wrapped with double quotes.

The following patterns are considered warnings:

a { content: 'x'; }

a[id='foo'] {}

The following patterns are not considered warnings:

a { content: "x"; }

a[id="foo"] {}