.call-widget, .whatsapp-widget {
    position: fixed;
    border-radius: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,.2);
    display: none;
}

.call-link, .whatsapp-link {
    display: block;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
}

.call-widget {
    right: 20px;
    bottom: 20px;
}

.whatsapp-widget {
    left: 20px;
    bottom: 20px;
}

.call-link:hover, .whatsapp-link:hover {
    color: #fff;
    background-color: rgba(255,255,255,.1);
}

.call-link:active, .whatsapp-link:active {
    background-color: rgba(255,255,255,.2);
}

@media only screen and (max-width: 768px) {
    .call-widget, .whatsapp-widget {
        display: block;
        font-size: 14px;
        border-radius: 15px;
    }
}