/*
 * Loading animation idea using the google Fiber Logo
 */
body,
html {
  width: 100%;
  height: 100%;
  margin: 0;
  background: #fff;
}

.center {
  height: 100%;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.squares-container {
  display: inline-block;
  position: relative;
}
.squares-container .squares {
  font-size: 10px;
  display: grid;
  grid-template-columns: 10em 10em;
  grid-row: auto auto;
  grid-gap: 4em;
  animation: rotateSquares 5s infinite ease-in-out;
  transform-origin: center center;
  position: relative;
}
.squares-container .squares .square {
  position: relative;
  width: 10em;
  height: 10em;
  border-radius: 0 0 0 15em;
  animation: rotateSquare 5s infinite ease-in-out;
}
.squares-container .squares .square:after {
  position: absolute;
  content: "";
  border-radius: 50%;
  width: 10px;
  height: 10px;
  display: block;
  animation: ballGravity 5s infinite ease-in-out;
}
.squares-container .squares .square:nth-child(1) {
  background: #fabc05;
}
.squares-container .squares .square:nth-child(1):after {
  background: #34a853;
}
.squares-container .squares .square:nth-child(2) {
  background: #ea4436;
}
.squares-container .squares .square:nth-child(2):after {
  background: #fabc05;
}
.squares-container .squares .square:nth-child(3) {
  background: #34a853;
}
.squares-container .squares .square:nth-child(3):after {
  background: #4185f4;
}
.squares-container .squares .square:nth-child(4) {
  background: #4185f4;
}
.squares-container .squares .square:nth-child(4):after {
  background: #ea4436;
}
@keyframes rotateSquares {
  0% {
    transform: rotate(0deg);
    grid-gap: 4em;
  }
  10%, 35%, 60%, 85% {
    grid-gap: 8em;
  }
  20% {
    transform: rotate(90deg);
    grid-gap: 4em;
  }
  25% {
    transform: rotate(90deg);
    grid-gap: 4em;
  }
  45% {
    transform: rotate(180deg);
    grid-gap: 4em;
  }
  50% {
    transform: rotate(180deg);
    grid-gap: 4em;
  }
  70% {
    transform: rotate(270deg);
    grid-gap: 4em;
  }
  75% {
    transform: rotate(270deg);
    grid-gap: 4em;
  }
  95% {
    transform: rotate(360deg);
    grid-gap: 4em;
  }
  100% {
    transform: rotate(360deg);
    grid-gap: 4em;
  }
}
@keyframes rotateSquare {
  0% {
    border-radius: 0 0 0 15em;
    transform: rotate(0deg);
  }
  15%, 65% {
    border-radius: 0 15em 0 0;
  }
  20% {
    border-radius: 0 15em 0 0;
    transform: rotate(90deg);
  }
  25% {
    border-radius: 0 15em 0 0;
    transform: rotate(90deg);
  }
  40%, 90% {
    border-radius: 0 0 0 15em;
  }
  45% {
    transform: rotate(180deg);
  }
  50% {
    border-radius: 0 0 0 15em;
    transform: rotate(180deg);
  }
  70% {
    transform: rotate(270deg);
  }
  75% {
    border-radius: 0 15em 0 0;
    transform: rotate(270deg);
  }
  95%, 100% {
    transform: rotate(360deg);
  }
}
@keyframes ballGravity {
  0%, 50%, 100% {
    transform: translate(9em, 9em);
  }
  25%, 75% {
    transform: translate(0, 0);
  }
}
.squares-container .reflection {
  opacity: 0.3;
  filter: blur(1em);
  transform: rotate3d(1, 0, 0, 85deg);
  bottom: -13em;
  position: absolute;
}