html,
body,
main,
.page-host,
section {
    height: 100%;
    overflow: hidden;  
}
body {
  font-family: "Heebo", sans-serif;
  font-weight: 400;
  color: #464D69;
  background-color: #f8f9fa;
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

.loader {
  display: grid;
  grid-template-columns: 33% 33% 33%;
  grid-template-rows: 25% 25% 25% 25%;
  grid-gap: 10px;
  width: 200px;
  height: 270px;
  position: fixed;
  top: calc(50% - 135px);
  left: calc(50% - 100px);
}
.loader > div {
  position: relative;
  width: 100%;
  height: 100%;
  background: darkslategray;
  transform: scale(0);
  transform-origin: center center;
  animation: loader 2s infinite linear;
}
.loader > h1 {
  position: relative;
  width: 100%;
  height: 100%;
  font-family: "Heebo", sans-serif;
  font-size: 20px;
  font-style: normal;
  font-weight: 200;
  grid-column: 2;
  text-align: center;  
}
.loader > div:nth-of-type(1), .loader > div:nth-of-type(5), .loader > div:nth-of-type(9) {
  animation-delay: 0.4s;
}
.loader > div:nth-of-type(4), .loader > div:nth-of-type(8) {
  animation-delay: 0.2s;
}
.loader > div:nth-of-type(2), .loader > div:nth-of-type(6) {
  animation-delay: 0.6s;
}
.loader > div:nth-of-type(3) {
  animation-delay: 0.8s;
}

@keyframes loader {
  0% {
    transform: scale(0);
  }
  40% {
    transform: scale(1);
  }
  80% {
    transform: scale(1);
  }
  100% {
    transform: scale(0);
  }
}