/* Spinner */
.loader {
  width: 48px;
  height: 48px;
  display: inline-block;
  position: relative;
  transform: rotate(45deg);
}
.loader::before {
  content: '';
  box-sizing: border-box;
  width: 24px;
  height: 24px;
  position: absolute;
  left: 0;
  top: -24px;
  animation: animloader 4s ease infinite;
}
.loader::after {
  content: '';
  box-sizing: border-box;
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
  animation: animloader2 2s ease infinite;
}

@keyframes animloader {
  0%   { box-shadow: 0 24px rgba(255,255,255,0), 24px 24px rgba(255,255,255,0), 24px 48px rgba(255,255,255,0), 0px 48px rgba(255,255,255,0); }
  12%  { box-shadow: 0 24px white, 24px 24px rgba(255,255,255,0), 24px 48px rgba(255,255,255,0), 0px 48px rgba(255,255,255,0); }
  25%  { box-shadow: 0 24px white, 24px 24px white, 24px 48px rgba(255,255,255,0), 0px 48px rgba(255,255,255,0); }
  37%  { box-shadow: 0 24px white, 24px 24px white, 24px 48px white, 0px 48px rgba(255,255,255,0); }
  50%  { box-shadow: 0 24px white, 24px 24px white, 24px 48px white, 0px 48px white; }
  62%  { box-shadow: 0 24px rgba(255,255,255,0), 24px 24px white, 24px 48px white, 0px 48px white; }
  75%  { box-shadow: 0 24px rgba(255,255,255,0), 24px 24px rgba(255,255,255,0), 24px 48px white, 0px 48px white; }
  87%  { box-shadow: 0 24px rgba(255,255,255,0), 24px 24px rgba(255,255,255,0), 24px 48px rgba(255,255,255,0), 0px 48px white; }
  100% { box-shadow: 0 24px rgba(255,255,255,0), 24px 24px rgba(255,255,255,0), 24px 48px rgba(255,255,255,0), 0px 48px rgba(255,255,255,0); }
}

@keyframes animloader2 {
  0%   { transform: translate(0, 0) rotateX(0) rotateY(0); }
  25%  { transform: translate(100%, 0) rotateX(0) rotateY(180deg); }
  50%  { transform: translate(100%, 100%) rotateX(-180deg) rotateY(180deg); }
  75%  { transform: translate(0, 100%) rotateX(-180deg) rotateY(360deg); }
  100% { transform: translate(0, 0) rotateX(0) rotateY(360deg); }
}