/**

  * The MIT License (MIT)

  *

  * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * Permission is hereby granted, free of charge, to any person obtaining a copy

  * of this software and associated documentation files (the "Software"), to deal

  * in the Software without restriction, including without limitation the rights

  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  * copies of the Software, and to permit persons to whom the Software is

  * furnished to do so, subject to the following conditions:

  *

  * The above copyright notice and this permission notice shall be included in

  * all copies or substantial portions of the Software.

  *

  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

  * THE SOFTWARE.

  */

 /** chess cube style **/

 #chesscube {

     margin: 1em auto;

     -webkit-perspective: 1200px;

     perspective: 1200px;

     position: fixed; 

     z-index: -100;

     bottom:100px;

     right: 100px; 

     width: 160px; 

     height: 160px;    

     transition: opacity 1s;

 }

 #spinner div {

     position: fixed;

     width: 160px;

     height: 160px;

     border: 1px solid #ccc;

     background: rgba(255,255,155,0.8);

     text-align: center;

     line-height: 160px;

     font-size: 120px;                

     -webkit-box-shadow: inset 0 0 40px rgba(0,0,0,0.4);

     box-shadow: inset 0 0 40px rgba(0,0,0,0.4);

 }

 #spinner div:nth-child(1) {

     -webkit-transform: translateZ(80px);

     transform: translateZ(80px);

 }

 #spinner div:nth-child(2) {

     -webkit-transform: rotateY(90deg) translateZ(80px);

     transform: rotateY(90deg) translateZ(80px);

 }

 #spinner div:nth-child(3) {

     -webkit-transform: rotateY(90deg) rotateX(90deg) translateZ(80px);

     transform: rotateY(90deg) rotateX(90deg) translateZ(80px);

 }

 #spinner div:nth-child(4) {

     -webkit-transform: rotateY(180deg) rotateZ(90deg) translateZ(80px);

     transform: rotateY(180deg) rotateZ(90deg) translateZ(80px);

 }

 #spinner div:nth-child(5) {

     -webkit-transform: rotateY(-90deg) rotateZ(90deg) translateZ(80px);

     transform: rotateY(-90deg) rotateZ(90deg) translateZ(80px);

 }

 #spinner div:nth-child(6) {

     -webkit-transform: rotateX(-90deg) translateZ(80px);

     transform: rotateX(-90deg) translateZ(80px);

 }

 @-webkit-keyframes spincube {

     from,to  {                                                    }            

     16%      { -webkit-transform: rotateY(-90deg);                }

     33%      { -webkit-transform: rotateY(-90deg) rotateZ(90deg); }

     50%      { -webkit-transform: rotateY(180deg) rotateZ(90deg); }

     66%      { -webkit-transform: rotateY(90deg) rotateX(90deg);  }

     83%      { -webkit-transform: rotateX(90deg);                 }

 }

 @keyframes spincube {

     from,to  {                                                    }            

     16%      { transform: rotateY(-90deg);                }

     33%      { transform: rotateY(-90deg) rotateZ(90deg); }

     50%      { transform: rotateY(180deg) rotateZ(90deg); }

     66%      { transform: rotateY(90deg) rotateX(90deg);  }

     83%      { transform: rotateX(90deg);                 }

 }

 #spinner {

     -webkit-animation-name: spincube;

     -webkit-animation-timing-function: ease-in-out;

     -webkit-animation-iteration-count: infinite;

     -webkit-animation-duration: 12s;

     -webkit-transform-style: preserve-3d;

     -webkit-transform-origin: 80px 80px 0;

     animation-name: spincube;

     animation-timing-function: ease-in-out;

     animation-iteration-count: infinite;

     animation-duration: 12s;

     transform-style: preserve-3d;

     transform-origin: 80px 80px 0;

 }

 @media (max-width: 767px) {

     #chesscube {

         opacity: 0;

     }

 }