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/**
* @license
* Copyright (c) 2014 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';
// It's desireable to provide a default stylesheet
// that's convenient for styling unresolved elements, but
// it's cumbersome to have to include this manually in every page.
// It would make sense to put inside some HTMLImport but
// the HTMLImports polyfill does not allow loading of stylesheets
// that block rendering. Therefore this injection is tolerated here.
//
// NOTE: position: relative fixes IE's failure to inherit opacity
// when a child is not statically positioned.
let style = document.createElement('style');
style.textContent = ''
+ 'body {'
+ 'transition: opacity ease-in 0.2s;'
+ ' } \n'
+ 'body[unresolved] {'
+ 'opacity: 0; display: block; overflow: hidden; position: relative;'
+ ' } \n'
;
let head = document.querySelector('head');
head.insertBefore(style, head.firstChild);
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