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

  .whatsapp-float:hover, .whatsapp-float:active{
    color: #fff;
  }

  .whatsapp-float .fab{
    margin-top:12px;
  }

  @media(max-width:600px) {
    .mega-menu .menu-logo img {
      height: 40px;
    }
  }