* {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --dotDur: 1s;
  font-size: calc(20px + 10 * (100vw - 320px) / (1280 - 320));
}

body {
  background-color: #d4f4fb;
  background-image: linear-gradient(#81dcf6, #d4f4fb);
  background-repeat: no-repeat;
  display: flex;
  font: 1em/1.5 Lobster, sans-serif;
  height: 100vh;
  overflow: hidden;
}

main {
  margin: auto;
}

.preloader {
  animation: spinCCW var(--dotDur) linear infinite;
  margin-bottom: 1.5em;
  position: relative;
  width: 9em;
  height: 9em;
}
.preloader, .preloader:before, .preloader:after, .preloader__stripe {
  border-radius: 50%;
}
.preloader:before, .preloader:after, .preloader__stripe {
  position: absolute;
}
.preloader:before, .preloader:after {
  animation: spinCW var(--dotDur) linear infinite;
  content: "";
  display: block;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.preloader:before {
  background: radial-gradient(25% 6% at 50% 7.5%, #fff 12.5%, rgba(255, 255, 255, 0) 50%), radial-gradient(25% 6% at 50% 92.5%, #fff 12.5%, rgba(255, 255, 255, 0) 50%), radial-gradient(100% 100% at center, rgba(0, 0, 0, 0) 34%, rgba(0, 0, 0, 0.3) 34%, rgba(0, 0, 0, 0) 38% 46%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0) 50%);
  z-index: 2;
}
.preloader:after {
  box-shadow: 0.5em 0.5em 0.25em 0 rgba(0, 0, 0, 0.25), 0.5em 0.5em 0.25em 1.5em rgba(0, 0, 0, 0.25) inset;
}
.preloader__stripe {
  box-shadow: 0.25em 0.5em 0 inset;
  color: #255ff4;
  top: 50%;
  left: 50%;
  width: 7.5em;
  height: 7.5em;
  transform: translate(-50%, -50%) translateX(-0.75em);
  z-index: 1;
}
.preloader__stripe:nth-of-type(2n + 1) {
  color: #ffffff;
}
.preloader__stripe:nth-of-type(2) {
  transform: translate(-50%, -50%) rotate(45deg) translateX(-0.75em);
}
.preloader__stripe:nth-of-type(3) {
  transform: translate(-50%, -50%) rotate(90deg) translateX(-0.75em);
}
.preloader__stripe:nth-of-type(4) {
  transform: translate(-50%, -50%) rotate(135deg) translateX(-0.75em);
}
.preloader__stripe:nth-of-type(5) {
  transform: translate(-50%, -50%) rotate(180deg) translateX(-0.75em);
}
.preloader__stripe:nth-of-type(6) {
  transform: translate(-50%, -50%) rotate(225deg) translateX(-0.75em);
}
.preloader__stripe:nth-of-type(7) {
  transform: translate(-50%, -50%) rotate(270deg) translateX(-0.75em);
}
.preloader__stripe:nth-of-type(8) {
  transform: translate(-50%, -50%) rotate(315deg) translateX(-0.75em);
}

.status {
  color: #ffffff;
  text-align: center;
  text-shadow: -2px -2px 0 #17181c, 0 -2px 0 #17181c, 2px -2px 0 #17181c, 2px 0 0 #17181c, 2px 2px 0 #17181c, 0 2px 0 #17181c, -2px 2px 0 #17181c, -2px 0 0 #17181c;
}
.status__dot {
  animation: appear1 var(--dotDur) steps(1, start) infinite;
  display: inline-block;
}
.status__dot:nth-child(2) {
  animation-name: appear2;
}
.status__dot:nth-child(3) {
  animation-name: appear3;
}

@keyframes spinCW {
  to {
    transform: rotate(90deg);
  }
}
@keyframes spinCCW {
  to {
    transform: rotate(-90deg);
  }
}
@keyframes appear1 {
  from {
    visibility: hidden;
  }
  33%, to {
    visibility: visible;
  }
}
@keyframes appear2 {
  from, 33% {
    visibility: hidden;
  }
  67%, to {
    visibility: visible;
  }
}
@keyframes appear3 {
  from, 67% {
    visibility: hidden;
  }
  to {
    visibility: visible;
  }
}