.frame-snow {
  width: 100%;
  height: 100%;
  min-height: 100%;
  position: absolute;
  padding: 0;
  margin: 0;
  color: #fff;
}

.snow {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  position: absolute;
  left: 20%;
  top: 0;
  z-infex: 2;
  animation-name: fall;
  animation-duration: 10s;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

.snow svg {
  width: 100%;
  height: auto;
}

.frame-background {
  background-color: #5892b0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  position: absolute;
  left: 0;
  top: 0;
}

.wrap-snowman {
  position: absolute;
  bottom: 0;
  width: 20%;
  height: auto;
  left: 20%;
}

.wrap-snowman svg {
  width: 100%;
  height: auto;
}

.frame-background::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 80px;
  border-radius: 50%;
  background-color: #fff;
  bottom: -50px;
  left: 0;
  z-index: 3;
}

.frame-background::after {
  content: '';
  position: absolute;
  width: 80%;
  height: 200px;
  border-radius: 50%;
  background-color: #fff;
  bottom: -120px;
  right: -100px;
  z-index: 3;
  transform: rotate(-7deg);
}

@keyframes fall {
  0% {
    top: -50px;
    opacity: 0;
  }
  1% {
    top: -50px;
    opacity: 1;
  }
  80% {
    top: calc( 100% + 150px);
    opacity: 1;
  }
  81% {
    top: calc( 100% + 150px);
    opacity: 0;
  }
  100% {
    top: -50px;
    opacity: 0;
  }
}