.snowflake {
      color: #757575;
      font-size: 1em;
      font-family: 'Sometype Mono', monospace;
      position: fixed;
      top: -10%;
      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;
      z-index: -1;
  }
  
  .snowflake:nth-of-type(0) {
      left: 1%;
      animation-delay: 0s, 0s;
  }
  
  .snowflake:nth-of-type(1) {
      left: 10%;
      animation-delay: 1s, 1s;
  }
  
  .snowflake:nth-of-type(2) {
      left: 20%;
      animation-delay: 6s, .5s;
  }
  
  .snowflake:nth-of-type(3) {
      left: 30%;
      animation-delay: 4s, 2s;
  }
  
  .snowflake:nth-of-type(4) {
      left: 40%;
      animation-delay: 2s, 2s;
  }
  
  .snowflake:nth-of-type(5) {
      left: 50%;
      animation-delay: 8s, 3s;
  }
  
  .snowflake:nth-of-type(6) {
      left: 60%;
      animation-delay: 6s, 2s;
  }
  
  .snowflake:nth-of-type(7) {
      left: 70%;
      animation-delay: 2.5s, 1s;
  }
  
  .snowflake:nth-of-type(8) {
      left: 80%;
      animation-delay: 1s, 0s;
  }
  
  .snowflake:nth-of-type(9) {
      left: 90%;
      animation-delay: 3s, 1.5s;
  }
  
  @keyframes snowflakes-fall {
      0% {
          top: -10%;
      }
      100% {
          top: 100%;
      }
    }