#particles-js{
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 0;
  overflow: hidden;
}
.fixed-snow-btn {
  position: fixed;
  right: 50px;
  bottom: 50px;
  z-index: 998;
  padding-top: 15px;
  margin-bottom: 0;
}
@media (max-width: 992px) { 
  .fixed-snow-btn {
    right: 20px;
    bottom: 10px;
  }
}
.btn-floating {
  position: relative;
  z-index: 1;
  display: inline-block;
  padding: 0;
  margin: 10px;
  overflow: hidden;
  vertical-align: middle;
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 5px 11px 0 rgb(0 0 0 / 18%), 0 4px 15px 0 rgb(0 0 0 / 15%);
  transition: all 0.2s ease-in-out;
  width: 47px;
  height: 47px;
}
.btn-floating.btn-lg i {
  font-size: 1.625rem;
  line-height: 61.1px;
}
.btn-floating i {
  display: inline-block;
  width: inherit;
  color: #fff;
  text-align: center;
}
.btn-floating.btn-lg {
  width: 61.1px;
  height: 61.1px;
}