.float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 20px !important;
  right: 20px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 3px #999;
  z-index: 100;
  transition: bottom 0.3s ease;
}

@media screen and (max-width: 768px) {
  .float {
    bottom: 80px !important;
  }
}

.my-float {
  margin-top: 16px;
}