html {
  overflow: hidden;
}

body {
  font-family: Helvetica Neue;
  margin: 0;
  padding: 0;
  background: #000;
  overflow: hidden;
}

div.cloud {
  position: absolute;
  width: 100vw;
  height: 300vh;
  background-image: url('./images/cloud.png');
  transform-origin: bottom;
  opacity: 0;
}

div.c1 {
  animation: cloud 10s 0s linear infinite normal;
}

div.c2 {
  animation: cloud 10s 5s linear infinite normal;
}

div.hue {
  position: absolute;
  width: 100vw;
  height: 100vh;
  opacity: 0.4;
}

div.d1 {
  background: radial-gradient(circle farthest-corner, cyan, transparent);
  animation: hue 20s 0s linear infinite normal;
}

div.ci {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 95vh;
}

div.ci > img {
  width: 200px;
}

div.ci > h1 {
  font-size: 18px;
  margin-top: 0;
  color: rgba(255, 255, 255, 0.5);
}

div.ci > address {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

div.ci > address > a {
  color: rgba(255, 255, 255, 0.5);
}

@keyframes hue {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

@keyframes cloud {
  0% {
    transform: translateY(0px) scale(1,1);
    opacity: 0;
  }
  50% {
    opacity: 0.2;
  }
  100% {
    transform: translateY(-100px) scale(2,2);
    opacity: 0;
  }
}