dotted green;
      };
    }
    </style>
    <x-cache-child id="child"></x-bad-child>
  </template>
  <script>
  HTMLImports.whenReady(function() {
    Polymer({
      is: 'x-cache-host-2'
    });
  });
  </script>
</dom-module>

<dom-module id="x-no-paren-apply-only">
  <template>
    <style>
    :host {
      --bar: {
        border: 2px solid green;
      }
    }
    #child {
      @apply --bar;
    }
    </style>
    <div id="child">X</div>
  </template>
  <script>
  HTMLImports.whenReady(function() {
