/*
    @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
 */
/**************************/
/* STYLES FOR THE SPINNER */
/**************************/
/*
 * Constants:
 *      STROKEWIDTH = 3px
 *      ARCSIZE     = 270 degrees (amount of circle the arc takes up)
 *      ARCTIME     = 1333ms (time it takes to expand and contract arc)
 *      ARCSTARTROT = 216 degrees (how much the start location of the arc
 *                                should rotate each time, 216 gives us a
 *                                5 pointed star shape (it's 360/5 * 3).
 *                                For a 7 pointed star, we might do
 *                                360/7 * 3 = 154.286)
 *      CONTAINERWIDTH = 28px
 *      SHRINK_TIME = 400ms
 */

/*可以*/


/*******************
Preloader
********************/
.preloader {
  width: 100%;
  height: 100%;
  top: 0px;
  position: fixed;
  z-index: 99999;
  background: #fff; }
  .preloader .cssload-speeding-wheel {
    position: absolute;
    top: calc(50% - 3.5px);
    left: calc(50% - 3.5px); }

.loader,
.loader__figure {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%); }

.loader {
  overflow: visible;
  padding-top: 2em;
  height: 0;
  width: 2em; }

.loader__figure {
  height: 0;
  width: 0;
  box-sizing: border-box;
  border: 0 solid #1976d2;
  border-radius: 50%;
  -webkit-animation: loader-figure 1.15s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-animation: loader-figure 1.15s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  animation: loader-figure 1.15s infinite cubic-bezier(0.215, 0.61, 0.355, 1); }

.loader__label {
  float: left;
  margin-left: 50%;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  margin: 0.5em 0 0 50%;
  font-size: 0.875em;
  letter-spacing: 0.1em;
  line-height: 1.5em;
  color: #1976d2;
  white-space: nowrap;
  -webkit-animation: loader-label 1.15s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-animation: loader-label 1.15s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  animation: loader-label 1.15s infinite cubic-bezier(0.215, 0.61, 0.355, 1); }

@-webkit-keyframes loader-figure {
  0% {
    height: 0;
    width: 0;
    background-color: #1976d2; }
  29% {
    background-color: #1976d2; }
  30% {
    height: 2em;
    width: 2em;
    background-color: transparent;
    border-width: 1em;
    opacity: 1; }
  100% {
    height: 2em;
    width: 2em;
    border-width: 0;
    opacity: 0;
    background-color: transparent; } }

@-moz-keyframes loader-figure {
  0% {
    height: 0;
    width: 0;
    background-color: #1976d2; }
  29% {
    background-color: #1976d2; }
  30% {
    height: 2em;
    width: 2em;
    background-color: transparent;
    border-width: 1em;
    opacity: 1; }
  100% {
    height: 2em;
    width: 2em;
    border-width: 0;
    opacity: 0;
    background-color: transparent; } }