style.css

.animated {
  animation-duration: 2s;
  -webkit-animation-duration: 2s;
  animation-fill-mode: none;
  -webkit-animation-fill-mode: none;
  animation-timing-function: linear;
  -webkit-animation-timing-function: linear;
  animation-iteration-count: infinite;
  -webkit-animation-iteration-count: infinite;
}

@keyframes rotate {
  0% {
    transform-origin: center center;
    transform: rotate(0) scale(1);
  }
  25% {
    transform-origin: center center;
    transform: rotate(180deg) scale(0.5);
  }
  50% {
    transform-origin: center center;
    transform: rotate(360deg) scale(0.1);
  }
  75% {
    transform-origin: center center;
    transform: rotate(540deg) scale(0.5);
  }
  100% {
    transform-origin: center center;
    transform: rotate(720deg) scale(1);
  }
}

@-webkit-keyframes rotate {
  0% {
    webkit-transform-origin: center center;
    webkit-transform: rotate(0) scale(1);
  }
  25% {
    webkit-transform-origin: center center;
    webkit-transform: rotate(180deg) scale(0.5);
  }
  50% {
    webkit-transform-origin: center center;
    webkit-transform: rotate(360deg) scale(0.1);
  }
  75% {
    webkit-transform-origin: center center;
    webkit-transform: rotate(540deg) scale(0.5);
  }
  100% {
    webkit-transform-origin: center center;
    webkit-transform: rotate(720deg) scale(1);
  }
}

.rotate {
  animation-name: rotate;
  -webkit-animation-name: rotate;
}

html {
  height: 100%;
}

body {
  height: 100%;
  font-family: 'Inconsolata', monospace;
  color: #fff200;
  background-color: #303030;
}

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

.container h1 {
  /* height: 100%; */
  text-align: center;
  font-size: 10em;
  margin: 0;
}