.jesp-whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 999999;
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    box-shadow: 0 12px 30px rgba(0,0,0,.2);
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}
.jesp-whatsapp-float:hover { color:#fff; transform:translateY(-2px) scale(1.03); box-shadow:0 16px 36px rgba(0,0,0,.24); }
.jesp-whatsapp-float .fa-whatsapp { font-size:32px; line-height:1; }
@media (max-width: 782px) {
    .jesp-whatsapp-float { right:16px; bottom:16px; width:54px; height:54px; }
}