±¨¼Û | quotes

/* Keyword value */
quotes: none;

/* <string> values */
quotes: "?" "?";           /* Set open-quote and close-quote to the French quotation marks */
quotes: "?" "?" "?" "?";   /* Set two levels of quotation marks */

/* Global values */
quotes: inherit;
quotes: initial;
quotes: unset;

none | [ <string> <string> ]+

<q>To be or not to be. That's the question!</q>

q {
  quotes: '"' '"' "'" "'";
}
q::before {
  content: open-quote;
}
q:after {
  content: close-quote;
}