.whatsapp-float {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 65px !important;
    height: 65px !important;
    background-color: #25D366 !important;
    background-image: url('https://upload.wikimedia.org/wikipedia/commons/6/6b/WhatsApp.svg') !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    background-size: 35px !important;
    border-radius: 50% !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25) !important;
    z-index: 999999999 !important;
    display: block !important;
}

.whatsapp-float:hover {
    transform: scale(1.08);
}

@media(max-width:768px){
    .whatsapp-float{
        width:58px !important;
        height:58px !important;
        right:15px !important;
        bottom:15px !important;
        background-size:30px !important;
    }
}