html,
body {
  margin: 0;
  overflow: hidden;
}

body {
  background-color: #111111;
  color: #ccc
}

.flex {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

h1 {
  color: #f7f7f7;
  text-shadow: 1px 1px #ccc;
}

.noise {
  position: fixed;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  width: 200%;
  height: 200vh;
  background: transparent url('/static/noise.png') repeat 0 0;
  background-repeat: repeat;
  animation: noise 0.2s infinite;
  opacity: .9;
  visibility: visible;
}

@keyframes noise {
  0% {
    transform: translate(0, 0)
  }
  10% {
    transform: translate(-5%, -5%)
  }
  20% {
    transform: translate(-10%, 5%)
  }
  30% {
    transform: translate(5%, -10%)
  }
  40% {
    transform: translate(-5%, 15%)
  }
  50% {
    transform: translate(-10%, 5%)
  }
  60% {
    transform: translate(15%, 0)
  }
  70% {
    transform: translate(0, 10%)
  }
  80% {
    transform: translate(-15%, 0)
  }
  90% {
    transform: translate(10%, 5%)
  }
  100% {
    transform: translate(5%, 0)
  }
}