@media screen and (min-width: 1001px) {
#snow{
  display: block;
  position: fixed;
  width: 100%;
  height: 50px;
  bottom: 12px;
  left: 0;
  z-index: 1400;
  }

img#snowpic{
  width: 100vw;
  }
}

@media screen and (min-width: 681px) and (max-width: 1000px) {
#snow{
  display: block;
  position: fixed;
  width: 100%;
  height: 50px;
  bottom: 5px;
  left: 0;
  z-index: 1400;
  }

img#snowpic{
  width: 150vw;
  overflow: hidden;
  }
}

@media screen and (max-width: 680px) {
#snow{
  display: block;
  position: fixed;
  width: 100%;
  height: 50px;
  bottom: -3px;
  left: 0;
  z-index: 1400;
  }

img#snowpic{
  width: 200vw;
  overflow: hidden;
  }
}