(function(){/* Copyright (c) 2017 The Polymer Project Authors. All rights reserved. This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as part of the polymer project is also subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt */ 'use strict';var c=!(window.ShadyDOM&&window.ShadyDOM.inUse),f;function g(a){f=a&&a.shimcssproperties?!1:c||!(navigator.userAgent.match(/AppleWebKit\/601|Edge\/15/)||!window.CSS||!CSS.supports||!CSS.supports("box-shadow","0 0 0 var(--foo)"))}window.ShadyCSS&&void 0!==window.ShadyCSS.nativeCss?f=window.ShadyCSS.nativeCss:window.ShadyCSS?(g(window.ShadyCSS),window.ShadyCSS=void 0):g(window.WebComponents&&window.WebComponents.flags);var h=f;function k(a,b){for(var d in b)null===d?a.style.removeProperty(d):a.style.setProperty(d,b[d])};var l=null,m=window.HTMLImports&&window.HTMLImports.whenReady||null,n;function p(){var a=q;requestAnimationFrame(function(){m?m(a):(l||(l=new Promise(function(a){n=a}),"complete"===document.readyState?n():document.addEventListener("readystatechange",function(){"complete"===document.readyState&&n()})),l.then(function(){a&&a()}))})};var r=null,q=null;function t(){this.customStyles=[];this.enqueued=!1}function u(a){!a.enqueued&&q&&(a.enqueued=!0,p())}t.prototype.c=function(a){a.__seenByShadyCSS||(a.__seenByShadyCSS=!0,this.customStyles.push(a),u(this))};t.prototype.b=function(a){if(a.__shadyCSSCachedStyle)return a.__shadyCSSCachedStyle;var b;a.getStyle?b=a.getStyle():b=a;return b}; t.prototype.a=function(){for(var a=this.customStyles,b=0;b