/* for desktop */
.whatsapp_float {
    position:fixed;
    width:70px;
    height:70px;
    bottom:40px;
    right:40px;
    background-color:#25d366;
    color:#FFF;
    border-radius:50px;
    text-align:center;
    font-size:42px;
    box-shadow: 2px 2px 3px #999;
    z-index:100;
}

.whatsapp-icon {
    margin-top:16px;
    color:#FFF;
}
/* for mobile */
@media screen and (max-width: 767px){
    .whatsapp-icon {
     margin-top:14px;
     }
    .whatsapp_float {
        width:60px;
        height:60px;
        bottom:20px;
        right:20px;
        font-size:35px;
    }
}