fiximportant

/*
TODO:
- Option to wait to apply anything until all <link>s are parsed or inject what we have and update as each <link> returns
*/
var cssVarPoly = {
  init: function() {
    if (window.CSS && window.CSS.supports && window.CSS.supports('(--foo: red)')) {
      return;
    }
    cssVarPoly.ratifiedVars = {};