.floating-btn {
  right: -30px;
  bottom: 15vh !important;
}

.floating-btn img {
  width: 60%;
}

@media screen and (min-width: 769px), print {
  .floating-btn {
    right: 90px;
    bottom: 50vh !important;
    transform: translate(0, 50%);
  }

  .floating-btn img {
    width: 100%;
  }
}