.rain__drop {
  -webkit-animation-delay: calc(var(--d) * 1s);
          animation-delay: calc(var(--d) * 1s);
  -webkit-animation-duration: calc(var(--a) * 1s);
          animation-duration: calc(var(--a) * 3s);
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-animation-name: drop;
          animation-name: drop;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  height: 30px;
  left: calc(var(--x) * 1%);
  position: absolute;
  top: calc((var(--y) + 50) * -1px);
}
.rain__drop path {
  fill: #a1c6cc;
  opacity: var(--o);
  -webkit-transform: scaleY(calc(var(--s) * 1.5));
          transform: scaleY(calc(var(--s) * 1.5));
}
@-webkit-keyframes drop {
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    -webkit-transform: translateY(100px);
            transform: translateY(100px);
  }
}
@keyframes drop {
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    -webkit-transform: translateY(100px);
            transform: translateY(200px);
  }
}

.rain {
  position: relative;
  bottom: 300px !important;
  height: 0;
}