.float {
  background: #25d366;
  color: #fff;
  font-size: 0;
  box-shadow: 0 10px 30px rgba(37, 211, 102, .34);
  transition: transform .25s, box-shadow .25s;
}

.float:hover,
.float:focus-visible {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 14px 36px rgba(37, 211, 102, .48);
}

.float svg {
  display: block;
  width: 34px;
  height: 34px;
  fill: currentColor;
}