Snowflakes

snowflakes.css

/* Adapted from https://github.com/pajasevi/CSSnowflakes/blob/177a894ca6127a927986c08c641d7215c55b9dfc/dev/snowflakes.css */
nav ul > li::before {
  display: block;
  content: "❅";
  color: #fff;
  font-size: 1em;
  font-family: Arial, sans-serif;
  text-shadow: 0 0 5px #000;
}

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

  100% {
    top: 100%;
  }
}

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

  50% {
    transform: translateX(80px);
  }

  100% {
    transform: translateX(0px);
  }
}

nav ul > li::before {
  position: fixed;
  top: -10%;
  z-index: 9999;
  user-select: none;
  cursor: default;

  animation-name: snowflakes-fall, snowflakes-shake;
  animation-duration: 10s, 3s;
  animation-timing-function: linear, ease-in-out;
  animation-iteration-count: infinite, infinite;
  animation-play-state: running, running;
}

nav ul > li:nth-of-type(0)::before {
  left: 1%;
  animation-delay: 0s, 0s;
}
nav ul > li:nth-of-type(1)::before {
  left: 10%;
  animation-delay: 1s, 1s;
}
nav ul > li:nth-of-type(2)::before {
  left: 20%;
  animation-delay: 6s, 0.5s;
}
nav ul > li:nth-of-type(3)::before {
  left: 30%;
  animation-delay: 4s, 2s;
}
nav ul > li:nth-of-type(4)::before {
  left: 40%;
  animation-delay: 2s, 2s;
}
nav ul > li:nth-of-type(5)::before {
  left: 50%;
  animation-delay: 8s, 3s;
}
nav ul > li:nth-of-type(6)::before {
  left: 60%;
  animation-delay: 6s, 2s;
}
nav ul > li:nth-of-type(7)::before {
  left: 70%;
  animation-delay: 2.5s, 1s;
}
nav ul > li:nth-of-type(8)::before {
  left: 80%;
  animation-delay: 1s, 0s;
}
nav ul > li:nth-of-type(9)::before {
  left: 90%;
  animation-delay: 3s, 1.5s;
}
nav ul > li:nth-of-type(10)::before {
  left: 25%;
  animation-delay: 2s, 0s;
}
nav ul > li:nth-of-type(11)::before {
  left: 65%;
  animation-delay: 4s, 2.5s;
}