.loader {
  width: 96px;
  height: 96px;
  display: inline-block;
  position: relative;
  transform: rotate(45deg);
}

.loader::before {
  content: "";
  box-sizing: border-box;
  width: 60px;
  height: 60px;
  position: absolute;
  left: 0;
  top: -60px;
  animation: animloader 4s ease infinite;
}

.loader::after {
  content: "";
  box-sizing: border-box;
  position: absolute;
  left: 0;
  top: 0;
  width: 60px;
  height: 60px;
  background: rgb(0, 0, 0);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
  animation: animloader2 1s ease infinite;
}

@keyframes animloader {
  0% {
    box-shadow: 0 60px rgba(148, 148, 148, 0.973),
      60px 60px rgba(255, 255, 255, 0), 60px 96px rgba(255, 255, 255, 0),
      0px 96px rgba(255, 255, 255, 0);
  }

  12% {
    box-shadow: 0 60px rgba(148, 148, 148, 0.973),
      60px 60px rgba(255, 255, 255, 0), 60px 96px rgba(255, 255, 255, 0),
      0px 96px rgba(255, 255, 255, 0);
  }

  25% {
    box-shadow: 0 60px rgba(148, 148, 148, 0.973),
      60px 60px rgba(148, 148, 148, 0.973), 60px 96px rgba(255, 255, 255, 0),
      0px 96px rgba(255, 255, 255, 0);
  }

  37% {
    box-shadow: 0 60px rgba(148, 148, 148, 0.973),
      60px 60px rgba(148, 148, 148, 0.973), 60px 96px rgba(148, 148, 148, 0.973),
      0px 96px rgba(255, 255, 255, 0);
  }

  50% {
    box-shadow: 0 60px rgba(148, 148, 148, 0.973),
      60px 60px rgba(148, 148, 148, 0.973), 60px 96px rgba(148, 148, 148, 0.973),
      0px 96px rgba(148, 148, 148, 0.973);
  }

  62% {
    box-shadow: 0 60px rgba(255, 255, 255, 0),
      60px 60px rgba(148, 148, 148, 0.973), 60px 96px rgba(148, 148, 148, 0.973),
      0px 96px rgba(148, 148, 148, 0.973);
  }

  75% {
    box-shadow: 0 60px rgba(255, 255, 255, 0), 60px 60px rgba(255, 255, 255, 0),
      60px 96px rgba(148, 148, 148, 0.973), 0px 96px rgba(148, 148, 148, 0.973);
  }

  87% {
    box-shadow: 0 60px rgba(255, 255, 255, 0), 60px 60px rgba(255, 255, 255, 0),
      60px 96px rgba(255, 255, 255, 0), 0px 96px rgba(148, 148, 148, 0.973);
  }

  100% {
    box-shadow: 0 60px rgba(255, 255, 255, 0), 60px 60px rgba(255, 255, 255, 0),
      60px 96px rgba(255, 255, 255, 0), 0px 96px 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);
  }
}


/* https://cssloaders.github.io/ */