.float{
  position:fixed;
  width:60px;
  height:60px;
  bottom:40px;
  right:40px;
  background-color:#25d366;
  color:#FFF;
  border-radius:50px;
  text-align:center;
  font-size:30px;
  box-shadow: 2px 2px 3px #999;
  z-index:100;
}

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