@-webkit-keyframes spin {
    0% {
      transform: translateZ(-150em) rotateX(45deg) rotateZ(-45deg);
    }
    100% {
      transform: translateZ(-150em) rotateX(45deg) rotateZ(-225deg);
    }
  }
  @keyframes spin {
    0% {
      transform: translateZ(-150em) rotateX(45deg) rotateZ(-45deg);
    }
    100% {
      transform: translateZ(-150em) rotateX(45deg) rotateZ(-225deg);
    }
  }
  @-webkit-keyframes specular {
    0% {
      background-color: #3a3a3a;
    }
    100% {
      background-color: #444;
    }
  }
  @keyframes specular {
    0% {
      background-color: #3a3a3a;
    }
    100% {
      background-color: #444;
    }
  }
  
  .content__loader {
    opacity: 0;
  }
  .content__loader.content--loaded {
    opacity: 1;
  }
  
  .cube {
    -webkit-animation: spin 2s linear forwards infinite;
            animation: spin 2s linear forwards infinite;
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transform: translateZ(-150em) rotateX(45deg) rotateZ(-45deg);
  }
  .cube .cube__face {
    position: absolute;
    width: 5em;
    height: 5em;
  }
  .cube .cube__face.cube__face--front {
    transform: rotateY(0deg) translateZ(2.5em);
    background-color: #333;
  }
  .cube .cube__face.cube__face--back {
    transform: rotateY(180deg) translateZ(2.5em);
    background-color: #333;
  }
  .cube .cube__face.cube__face--right {
    transform: rotateY(90deg) translateZ(2.5em);
    background-color: #3a3a3a;
    -webkit-animation: specular 1s linear 0.15s infinite alternate;
            animation: specular 1s linear 0.15s infinite alternate;
  }
  .cube .cube__face.cube__face--left {
    transform: rotateY(-90deg) translateZ(2.5em);
    background-color: #3a3a3a;
    -webkit-animation: specular 1s linear 0.15s infinite alternate;
            animation: specular 1s linear 0.15s infinite alternate;
  }
  .cube .cube__face.cube__face--top {
    transform: rotateX(90deg) translateZ(2.5em);
    background-color: #444;
    animation: specular 1s linear 0.15s infinite alternate-reverse;
  }
  .cube .cube__face.cube__face--bottom {
    transform: rotateX(-90deg) translateZ(2.5em);
    background-color: #444;
    animation: specular 1s linear 0.15s infinite alternate-reverse;
  }
  
  .loader__spinner {
    font-size: 1rem;
    display: flex;
    flex-flow: column wrap;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #eee;
    text-align: center;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    cursor: progress;
    opacity: 1;
    transition: opacity 0.15s ease-in-out;
    z-index: 9999;
  }
  .loader__spinner .loader__animation {
    width: 5em;
    height: 5em;
    perspective: 100em;
  }
  .loader__spinner .loader__message {
    font-size: 0.65em;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 1.5em;
    text-transform: uppercase;
    z-index: 9999;
  }
  .loader__spinner .loader__progress {
    position: relative;
    width: 8em;
    height: 0.5em;
    background-color: rgba(255, 255, 255, 0.5);
    overflow: hidden;
    border-radius: 0.2em;
  }
  .loader__spinner .loader__progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 0;
    background-color: #666;
    transition: width 0.5s ease;
  }
  .content--loaded ~ .loader__spinner {
    opacity: 0;
    pointer-events: none;
  }