body {
  margin: 0;
  padding: 0;
}

.loader {
  background: #666;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: aliceblue;
  text-transform: uppercase;
  font-size: 5em;
  font-family: "Open Sans", sans-serif;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
  z-index: 9999;
}

@keyframes dots {
  50% {
    transform: translateY(-0.4rem);
    -webkit-transform: translateY(-0.4rem);
    -moz-transform: translateY(-0.4rem);
    -ms-transform: translateY(-0.4rem);
    -o-transform: translateY(-0.4rem);
  }

  100% {
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }
}

.d {
  animation: dots 1.5s ease-out infinite;
  -webkit-animation: dots 1.5s ease-out infinite;
}

.d-2 {
  animation-delay: 0.5s;
}

.d-3 {
  animation-delay: 1s;
}