.snowflake {
  color: #fff;
  font-size: 1em;
  text-shadow: 0 0 1px #00000086;
}

@-webkit-keyframes snowflakes-fall {
  0% {
    top: -10%;
  }
  100% {
    top: 100%;
  }
}

@-webkit-keyframes snowflakes-shake {
  0% {
    -webkit-transform: translateX(0px);
    transform: translateX(0px);
  }
  50% {
    -webkit-transform: translateX(80px);
    transform: translateX(80px);
  }
  100% {
    -webkit-transform: translateX(0px);
    transform: translateX(0px);
  }
}

@keyframes snowflakes-fall {
  0% {
    top: -10%;
  }
  100% {
    top: 100%;
  }
}

@keyframes snowflakes-shake {
  0% {
    transform: translateX(0px);
  }
  50% {
    transform: translateX(80px);
  }
  100% {
    transform: translateX(0px);
  }
}

.snowflake {
  position: fixed;
  top: -10%;
  z-index: 9999;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  cursor: default;
  -webkit-animation-name: snowflakes-fall, snowflakes-shake;
  -webkit-animation-duration: 10s, 4s;
  -webkit-animation-timing-function: linear, ease-in-out;
  -webkit-animation-iteration-count: infinite, infinite;
  -webkit-animation-play-state: running, running;
  animation-name: snowflakes-fall, snowflakes-shake;
  animation-duration: 10s, 4s;
  animation-timing-function: linear, ease-in-out;
  animation-iteration-count: infinite, infinite;
  animation-play-state: running, running;
}